4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
34 * Author: Peter J. Braam <braam@clusterfs.com>
35 * Author: Phil Schwan <phil@clusterfs.com>
36 * Author: Robert Read <rread@clusterfs.com>
55 #include <sys/ioctl.h>
56 #include <sys/quota.h>
58 #include <sys/types.h>
60 #include <sys/param.h>
61 #include <sys/xattr.h>
68 #include <asm/byteorder.h>
69 #include "lfs_project.h"
71 #include <libcfs/util/string.h>
72 #include <libcfs/util/ioctl.h>
73 #include <libcfs/util/parser.h>
74 #include <libcfs/util/string.h>
75 #include <lustre/lustreapi.h>
76 #include <linux/lustre/lustre_ver.h>
77 #include <linux/lustre/lustre_param.h>
78 #include <linux/lnet/nidstr.h>
82 # define ARRAY_SIZE(a) ((sizeof(a)) / (sizeof((a)[0])))
83 #endif /* !ARRAY_SIZE */
86 static int lfs_find(int argc, char **argv);
87 static int lfs_getstripe(int argc, char **argv);
88 static int lfs_getdirstripe(int argc, char **argv);
89 static int lfs_setdirstripe(int argc, char **argv);
90 static int lfs_rmentry(int argc, char **argv);
91 static int lfs_osts(int argc, char **argv);
92 static int lfs_mdts(int argc, char **argv);
93 static int lfs_df(int argc, char **argv);
94 static int lfs_getname(int argc, char **argv);
95 static int lfs_check(int argc, char **argv);
96 #ifdef HAVE_SYS_QUOTA_H
97 static int lfs_setquota(int argc, char **argv);
98 static int lfs_quota(int argc, char **argv);
99 static int lfs_project(int argc, char **argv);
101 static int lfs_flushctx(int argc, char **argv);
102 static int lfs_poollist(int argc, char **argv);
103 static int lfs_changelog(int argc, char **argv);
104 static int lfs_changelog_clear(int argc, char **argv);
105 static int lfs_fid2path(int argc, char **argv);
106 static int lfs_path2fid(int argc, char **argv);
107 static int lfs_rmfid(int argc, char **argv);
108 static int lfs_data_version(int argc, char **argv);
109 static int lfs_hsm_state(int argc, char **argv);
110 static int lfs_hsm_set(int argc, char **argv);
111 static int lfs_hsm_clear(int argc, char **argv);
112 static int lfs_hsm_action(int argc, char **argv);
113 static int lfs_hsm_archive(int argc, char **argv);
114 static int lfs_hsm_restore(int argc, char **argv);
115 static int lfs_hsm_release(int argc, char **argv);
116 static int lfs_hsm_remove(int argc, char **argv);
117 static int lfs_hsm_cancel(int argc, char **argv);
118 static int lfs_swap_layouts(int argc, char **argv);
119 static int lfs_mv(int argc, char **argv);
120 static int lfs_ladvise(int argc, char **argv);
121 static int lfs_getsom(int argc, char **argv);
122 static int lfs_heat_get(int argc, char **argv);
123 static int lfs_heat_set(int argc, char **argv);
124 static int lfs_mirror(int argc, char **argv);
125 static int lfs_mirror_list_commands(int argc, char **argv);
126 static int lfs_list_commands(int argc, char **argv);
127 static inline int lfs_mirror_resync(int argc, char **argv);
128 static inline int lfs_mirror_verify(int argc, char **argv);
129 static inline int lfs_mirror_read(int argc, char **argv);
130 static inline int lfs_mirror_write(int argc, char **argv);
131 static inline int lfs_mirror_copy(int argc, char **argv);
132 static int lfs_pcc_attach(int argc, char **argv);
133 static int lfs_pcc_attach_fid(int argc, char **argv);
134 static int lfs_pcc_detach(int argc, char **argv);
135 static int lfs_pcc_detach_fid(int argc, char **argv);
136 static int lfs_pcc_state(int argc, char **argv);
137 static int lfs_pcc(int argc, char **argv);
138 static int lfs_pcc_list_commands(int argc, char **argv);
139 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
140 __u64 migration_flags,
141 struct llapi_stripe_param *param,
142 struct llapi_layout *layout);
144 enum setstripe_origin {
153 static int lfs_setstripe_internal(int argc, char **argv,
154 enum setstripe_origin opc);
156 static inline int lfs_setstripe(int argc, char **argv)
158 return lfs_setstripe_internal(argc, argv, SO_SETSTRIPE);
160 static inline int lfs_setstripe_migrate(int argc, char **argv)
162 return lfs_setstripe_internal(argc, argv, SO_MIGRATE);
164 static inline int lfs_mirror_create(int argc, char **argv)
166 return lfs_setstripe_internal(argc, argv, SO_MIRROR_CREATE);
168 static inline int lfs_mirror_extend(int argc, char **argv)
170 return lfs_setstripe_internal(argc, argv, SO_MIRROR_EXTEND);
172 static inline int lfs_mirror_split(int argc, char **argv)
174 return lfs_setstripe_internal(argc, argv, SO_MIRROR_SPLIT);
176 static inline int lfs_mirror_delete(int argc, char **argv)
178 return lfs_setstripe_internal(argc, argv, SO_MIRROR_DELETE);
181 /* Setstripe and migrate share mostly the same parameters */
182 #define SSM_CMD_COMMON(cmd) \
183 "usage: "cmd" [--component-end|-E <comp_end>]\n" \
184 " [--stripe-count|-c <stripe_count>]\n" \
185 " [--overstripe-count|-C <stripe_count>]\n" \
186 " [--stripe-index|-i <start_ost_idx>]\n" \
187 " [--stripe-size|-S <stripe_size>]\n" \
188 " [--layout|-L <pattern>]\n" \
189 " [--mirror_count|-N[mirror_count]]\n" \
190 " [--ost|-o <ost_indices>]\n" \
191 " [--pool|-p <pool_name>]\n" \
192 " [--yaml|-y <yaml_template_file>]\n" \
193 " [--copy=<lustre_src>]\n"
195 #define SSM_HELP_COMMON \
196 "\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
197 "\t Using -C instead of -c allows overstriping, which\n" \
198 "\t will place more than one stripe per OST if\n" \
199 "\t stripe_count is greater than the number of OSTs\n" \
200 "\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
201 "\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
202 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
203 "\t respectively)\n" \
204 "\tpool_name: Name of OST pool to use (default none)\n" \
205 "\tlayout: stripe pattern type: raid0, mdt (default raid0)\n"\
206 "\tost_indices: List of OST indices, can be repeated multiple times\n"\
207 "\t Indices be specified in a format of:\n" \
208 "\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
210 "\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
211 "\t If --pool is set with --ost then the OSTs\n" \
212 "\t must be the members of the pool.\n" \
213 "\tcomp_end: Extent end of component, start after previous end.\n"\
214 "\t Can be specified with K, M or G (for KB, MB, GB\n" \
215 "\t respectively, -1 for EOF). Must be a multiple of\n"\
216 "\t stripe_size.\n" \
217 "\tyaml_template_file:\n" \
218 "\t YAML layout template file, can't be used with -c,\n" \
219 "\t -i, -S, -p, -o, or -E arguments.\n" \
220 "\tlustre_src: Lustre file/dir whose layout info is used to set\n" \
221 "\t another lustre file or directory, can't used with\n" \
222 "\t -c, -i, -S, -p, -o, or -E arguments.\n"
224 #define MIRROR_CREATE_HELP \
225 "\tmirror_count: Number of mirrors to be created with the upcoming\n" \
226 "\t setstripe layout options\n" \
227 "\t It defaults to 1 if not specified; if specified,\n" \
228 "\t it must follow the option without a space.\n" \
229 "\t The option can also be repeated multiple times to\n" \
230 "\t separate mirrors that have different layouts.\n" \
231 "\tSETSTRIPE_OPTIONS: Mirror layout as with 'setstripe'\n" \
232 "\t It can be a plain layout or a composite layout.\n" \
233 "\t If not specified, the stripe options inherited\n" \
234 "\t from the previous component will be used.\n" \
235 "\tflags: set flags to the component of the current mirror.\n" \
236 "\t Only \"prefer\" flag is supported so far.\n"
238 #define MIRROR_EXTEND_HELP \
240 "\tvictim_file: The layout of victim_file will be split and used\n" \
241 "\t as a mirror added to the mirrored file.\n" \
242 "\tno-verify: This option indicates not to verify the mirror(s)\n" \
243 "\t from victim file(s) in case the victim file(s)\n" \
244 "\t contains the same data as the original mirrored\n" \
247 #define MIRROR_EXTEND_USAGE \
248 " {--mirror-count|-N[mirror_count]}\n" \
249 " [SETSTRIPE_OPTIONS|-f|--file <victim_file>]\n" \
252 #define SETSTRIPE_USAGE \
253 SSM_CMD_COMMON("setstripe") \
254 MIRROR_EXTEND_USAGE \
255 " <directory|filename>\n" \
259 #define MIGRATE_USAGE \
260 SSM_CMD_COMMON("migrate ") \
261 " [--block|-b] [--non-block|-n]\n" \
262 " [--non-direct|-D] [--verbose|-v]\n" \
266 "\tblock: Block file access during data migration (default)\n" \
267 "\tnon-block: Abort migrations if concurrent access is detected\n" \
268 "\tnon-direct: Do not use direct I/O to copy file contents\n" \
269 "\tverbose: Print each filename as it is migrated\n" \
271 #define SETDIRSTRIPE_USAGE \
272 " [--mdt-count|-c stripe_count>\n" \
273 " [--mdt-hash|-H mdt_hash]\n" \
274 " [--mdt-index|-i mdt_index[,mdt_index,...]\n" \
275 " [--default|-D] [--mode|-o mode] <dir>\n" \
276 "\tstripe_count: stripe count of the striped directory\n" \
277 "\tmdt_index: MDT index of first stripe\n" \
278 "\tmdt_hash: hash type of the striped directory. mdt types:\n" \
279 " fnv_1a_64 FNV-1a hash algorithm (default)\n" \
280 " all_char sum of characters % MDT_COUNT (not recommended)\n" \
281 " space create subdirectories with balanced space usage\n" \
282 "\tdefault_stripe: set default dirstripe of the directory\n" \
283 "\tmode: the file access permission of the directory (octal)\n" \
284 "To create dir with a foreign (free format) layout :\n" \
285 "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
286 "[--mode|-m mode] [--flags <hex>] <dir>\n" \
287 "\tmode: the mode of the directory\n" \
288 "\tforeign_type: none or daos\n"
291 * command_t mirror_cmdlist - lfs mirror commands.
293 command_t mirror_cmdlist[] = {
294 { .pc_name = "create", .pc_func = lfs_mirror_create,
295 .pc_help = "Create a mirrored file.\n"
296 "usage: lfs mirror create "
297 "<--mirror-count|-N[mirror_count]> "
298 "[SETSTRIPE_OPTIONS] ... <filename|directory> ...\n"
299 MIRROR_CREATE_HELP },
300 { .pc_name = "delete", .pc_func = lfs_mirror_delete,
301 .pc_help = "delete a mirror from a file.\n"
302 "usage: lfs mirror delete {--comp-id|-I <comp_id>|-p <pool>} <mirrored_file> ...\n"
304 { .pc_name = "extend", .pc_func = lfs_mirror_extend,
305 .pc_help = "Extend a mirrored file.\n"
306 "usage: lfs mirror extend "
307 "<--mirror-count|-N[mirror_count]> [--no-verify] "
308 "[SETSTRIPE_OPTIONS|-f <victim_file>] ... <filename> ...\n"
309 MIRROR_EXTEND_HELP },
310 { .pc_name = "split", .pc_func = lfs_mirror_split,
311 .pc_help = "Split a mirrored file.\n"
312 "usage: lfs mirror split <--mirror-id <mirror_id> |\n"
313 "\t <--component-id|-I <comp_id>|-p <pool>> [--destroy|-d]\n"
314 "\t [-f <new_file>] <mirrored_file> ...\n"
315 "\tmirror_id: The numerical unique identifier for a mirror. It\n"
316 "\t can be fetched by lfs getstripe command.\n"
317 "\tcomp_id: Unique component ID within a mirror.\n"
318 "\tpool: Components on specified pool.\n"
319 "\tnew_file: This option indicates the layout of the split\n"
320 "\t mirror will be stored into. If not specified,\n"
321 "\t a new file named <mirrored_file>.mirror~<mirror_id>\n"
322 "\t will be used.\n" },
323 { .pc_name = "read", .pc_func = lfs_mirror_read,
324 .pc_help = "Read the content of a specified mirror of a file.\n"
325 "usage: lfs mirror read <--mirror-id|-N <mirror_id> "
326 "[--outfile|-o <output_file>] <mirrored_file>\n" },
327 { .pc_name = "write", .pc_func = lfs_mirror_write,
328 .pc_help = "Write to a specified mirror of a file.\n"
329 "usage: lfs mirror write <--mirror-id|-N <mirror_id> "
330 "[--inputfile|-i <input_file>] <mirrored_file>\n" },
331 { .pc_name = "copy", .pc_func = lfs_mirror_copy,
332 .pc_help = "Copy a specified mirror to other mirror(s) of a file.\n"
333 "usage: lfs mirror copy <--read-mirror|-i <id0>> "
334 "<--write-mirror|-o <id1,id2>> <mirrored_file>\n" },
335 { .pc_name = "resync", .pc_func = lfs_mirror_resync,
336 .pc_help = "Resynchronizes out-of-sync mirrored file(s).\n"
337 "usage: lfs mirror resync [--only <mirror_id[,...]>] "
338 "<mirrored file> [<mirrored file2>...]\n"},
339 { .pc_name = "verify", .pc_func = lfs_mirror_verify,
340 .pc_help = "Verify mirrored file(s).\n"
341 "usage: lfs mirror verify "
342 "[--only <mirror_id,mirror_id2[,...]>] "
343 "[--verbose|-v] <mirrored_file> [<mirrored_file2> ...]\n"},
344 { .pc_name = "list-commands", .pc_func = lfs_mirror_list_commands,
345 .pc_help = "list commands supported by lfs mirror"},
346 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
347 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
348 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
353 * command_t pcc_cmdlist - lfs pcc commands.
355 command_t pcc_cmdlist[] = {
356 { .pc_name = "attach", .pc_func = lfs_pcc_attach,
357 .pc_help = "Attach given files to the Persistent Client Cache.\n"
358 "usage: lfs pcc attach <--id|-i NUM> <file> ...\n"
359 "\t-i: archive id for RW-PCC\n" },
360 { .pc_name = "attach_fid", .pc_func = lfs_pcc_attach_fid,
361 .pc_help = "Attach given files into PCC by FID(s).\n"
362 "usage: lfs pcc attach_id <--id|-i NUM> <--mnt|-m mnt> "
364 "\t-i: archive id for RW-PCC\n"
365 "\t-m: Lustre mount point\n" },
366 { .pc_name = "state", .pc_func = lfs_pcc_state,
367 .pc_help = "Display the PCC state for given files.\n"
368 "usage: lfs pcc state <file> ...\n" },
369 { .pc_name = "detach", .pc_func = lfs_pcc_detach,
370 .pc_help = "Detach given files from the Persistent Client Cache.\n"
371 "usage: lfs pcc detach <file> ...\n" },
372 { .pc_name = "detach_fid", .pc_func = lfs_pcc_detach_fid,
373 .pc_help = "Detach given files from PCC by FID(s).\n"
374 "usage: lfs pcc detach_fid <mntpath> <fid>...\n" },
375 { .pc_name = "list-commands", .pc_func = lfs_pcc_list_commands,
376 .pc_help = "list commands supported by lfs pcc"},
377 { .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
378 { .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
379 { .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
383 /* all available commands */
384 command_t cmdlist[] = {
385 {"setstripe", lfs_setstripe, 0,
386 "To create a file with specified striping/composite layout, or\n"
387 "create/replace the default layout on an existing directory:\n"
388 SSM_CMD_COMMON("setstripe")
390 " <directory|filename>\n"
392 "To add component(s) to an existing composite file:\n"
393 SSM_CMD_COMMON("setstripe --component-add")
395 "To totally delete the default striping from an existing directory:\n"
396 "usage: setstripe [--delete|-d] <directory>\n"
398 "To create a mirrored file or set s default mirror layout on a directory:\n"
399 "usage: setstripe {--mirror-count|-N}[mirror_count] [SETSTRIPE_OPTIONS] <directory|filename>\n"
401 "To delete the last component(s) from an existing composite file\n"
402 "(note that this will also delete any data in those components):\n"
403 "usage: setstripe --component-del [--component-id|-I <comp_id>]\n"
404 " [--component-flags|-F <comp_flags>]\n"
406 "\tcomp_id: Unique component ID to delete\n"
407 "\tcomp_flags: 'init' indicating all instantiated components\n"
408 "\t '^init' indicating all uninstantiated components\n"
409 "\t-I and -F cannot be specified at the same time\n"
410 "To create a file with a foreign (free format) layout:\n"
411 "usage: setstripe --foreign[=<foreign_type>]\n"
412 " --xattr|-x <layout_string> [--flags <hex>]\n"
413 " [--mode <mode>] <filename>\n"},
414 {"getstripe", lfs_getstripe, 0,
415 "To list the layout pattern for a given file or files in a\n"
416 "directory or recursively for all files in a directory tree.\n"
417 "usage: getstripe [--ost|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
418 " [--stripe-count|-c] [--stripe-index|-i] [--fid|-F]\n"
419 " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
420 " [--mdt-index|-m] [--recursive|-r] [--raw|-R]\n"
421 " [--layout|-L] [--generation|-g] [--yaml|-y]\n"
422 " [--component-id[=comp_id]|-I[comp_id]]\n"
423 " [--component-flags[=comp_flags]]\n"
424 " [--component-count]\n"
425 " [--extension-size|--ext-size|-z]\n"
426 " [--component-start[=[+-]comp_start]]\n"
427 " [--component-end[=[+-]comp_end]|-E[[+-]comp_end]]\n"
428 " [[!] --mirror-index=[+-]<index> |\n"
429 " [!] --mirror-id=[+-]<id>]\n"
430 " <directory|filename> ..."},
431 {"setdirstripe", lfs_setdirstripe, 0,
432 "To create a striped directory on a specified MDT. This can only\n"
433 "be done on MDT0 with the right of administrator.\n"
434 "usage: setdirstripe [OPTION] <directory>\n"
436 {"getdirstripe", lfs_getdirstripe, 0,
437 "To list the layout pattern info for a given directory\n"
438 "or recursively for all directories in a directory tree.\n"
439 "usage: getdirstripe [--mdt-count|-c] [--mdt-index|-m|-i]\n"
440 " [--mdt-hash|-H] [--obd|-O <uuid>]\n"
441 " [--recursive|-r] [--yaml|-y]\n"
442 " [--verbose|-v] [--default|-D] <dir> ..."},
443 {"mkdir", lfs_setdirstripe, 0,
444 "To create a striped directory on a specified MDT. This can only\n"
445 "be done on MDT0 with the right of administrator.\n"
446 "usage: mkdir [OPTION] <directory>\n"
448 {"rm_entry", lfs_rmentry, 0,
449 "To remove the name entry of the remote directory. Note: This\n"
450 "command will only delete the name entry, i.e. the remote directory\n"
451 "will become inaccessable after this command. This can only be done\n"
452 "by the administrator\n"
453 "usage: rm_entry <dir>\n"},
454 {"pool_list", lfs_poollist, 0,
455 "List pools or pool OSTs\n"
456 "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
457 {"find", lfs_find, 0,
458 "find files matching given attributes recursively in directory tree.\n"
459 "usage: find <directory|filename> ...\n"
460 " [[!] --atime|-A [+-]N[smhdwy]] [[!] --ctime|-C [+-]N[smhdwy]]\n"
461 " [[!] --mtime|-M [+-]N[smhdwy]] [[!] --blocks|-b N]\n"
462 " [[!] --newer[XY] <reference>]\n"
463 " [--maxdepth|-D N] [[!] --mdt-index|--mdt|-m <uuid|index,...>]\n"
464 " [[!] --name|-n <pattern>] [[!] --ost|-O <uuid|index,...>]\n"
465 " [--print|-P] [--print0|-0] [[!] --size|-s [+-]N[bkMGTPE]]\n"
466 " [[!] --stripe-count|-c [+-]<stripes>]\n"
467 " [[!] --stripe-index|-i <index,...>]\n"
468 " [[!] --stripe-size|-S [+-]N[kMGT]] [[!] --type|-t <filetype>]\n"
469 " [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
470 " [[!] --uid|-u|--user|-U <uid>|<uname>] [[!] --pool <pool>]\n"
471 " [[!] --projid <projid>]\n"
472 " [[!] --foreign[=<foreign_type>]]\n"
473 " [[!] --layout|-L released,raid0,mdt]\n"
474 " [[!] --foreign[=<foreign_type>]]\n"
475 " [[!] --component-count [+-]<comp_cnt>]\n"
476 " [[!] --component-start [+-]N[kMGTPE]]\n"
477 " [[!] --component-end|-E [+-]N[kMGTPE]]\n"
478 " [[!] --component-flags {init,stale,prefer,offline,nosync,extension}]\n"
479 " [[!] --mirror-count|-N [+-]<n>]\n"
480 " [[!] --mirror-state <[^]state>]\n"
481 " [[!] --mdt-count|-T [+-]<stripes>]\n"
482 " [[!] --mdt-hash|-H <hashtype>\n"
483 " [[!] --mdt-index|-m <uuid|index,...>]\n"
484 "\t !: used before an option indicates 'NOT' requested attribute\n"
485 "\t -: used before a value indicates less than requested value\n"
486 "\t +: used before a value indicates more than requested value\n"
487 "\thashtype: hash type of the striped directory.\n"
488 "\t fnv_1a_64 FNV-1a hash algorithm\n"
489 "\t all_char sum of characters % MDT_COUNT\n"},
490 {"check", lfs_check, 0,
491 "Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
492 "or all the servers (MGTs, MDTs and OSTs).\n"
493 "usage: check <mgts|osts|mdts|all>"},
494 {"osts", lfs_osts, 0, "list OSTs connected to client "
495 "[for specified path only]\n" "usage: osts [path]"},
496 {"mdts", lfs_mdts, 0, "list MDTs connected to client "
497 "[for specified path only]\n" "usage: mdts [path]"},
499 "report filesystem disk space usage or inodes usage "
500 "of each MDS and all OSDs or a batch belonging to a specific pool.\n"
501 "Usage: df [--inodes|-i] [--human-readable|-h] [--lazy|-l]\n"
502 " [--pool|-p <fsname>[.<pool>]] [path]"},
503 {"getname", lfs_getname, 0,
504 "list instances and specified mount points [for specified path only]\n"
505 "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
506 #ifdef HAVE_SYS_QUOTA_H
507 {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
508 "usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
509 " -b <block-softlimit> -B <block-hardlimit>\n"
510 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
511 " setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
512 " [--block-softlimit <block-softlimit>]\n"
513 " [--block-hardlimit <block-hardlimit>]\n"
514 " [--inode-softlimit <inode-softlimit>]\n"
515 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
516 " setquota [-t] <-u|--user|-g|--group|-p|--projid>\n"
517 " [--block-grace 'notify'|<block-grace>]\n"
518 " [--inode-grace 'notify'|<inode-grace>] <filesystem>\n"
519 " setquota <-U|-G|-P>\n"
520 " -b <block-softlimit> -B <block-hardlimit>\n"
521 " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
522 " setquota <-U|--default-usr|-G|--default-grp|-P|--default-prj>\n"
523 " [--block-softlimit <block-softlimit>]\n"
524 " [--block-hardlimit <block-hardlimit>]\n"
525 " [--inode-softlimit <inode-softlimit>]\n"
526 " [--inode-hardlimit <inode-hardlimit>] <filesystem>\n"
527 " setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
529 " -b can be used instead of --block-softlimit/--block-grace\n"
530 " -B can be used instead of --block-hardlimit\n"
531 " -i can be used instead of --inode-softlimit/--inode-grace\n"
532 " -I can be used instead of --inode-hardlimit\n"
533 " -d can be used instead of --default\n\n"
534 "Note: The total quota space will be split into many qunits and\n"
535 " balanced over all server targets, the minimal qunit size is\n"
536 " 1M bytes for block space and 1K inodes for inode space.\n\n"
537 " The maximum quota grace time is 2^48 - 1 seconds.\n\n"
538 " Quota space rebalancing process will stop when this mininum\n"
539 " value is reached. As a result, quota exceeded can be returned\n"
540 " while many targets still have 1MB or 1K inodes of spare\n"
542 " When setting the grace time, 'notify' can be used as grace to\n"
543 " be notified after the quota is over soft limit but prevents\n"
544 " the soft limit from becoming the hard limit."},
545 {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
546 "usage: quota [-q] [-v] [-h] [-o <obd_uuid>|-i <mdt_idx>|-I "
548 " [<-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>] <filesystem>\n"
549 " quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g|-p> <filesystem>\n"
550 " quota [-q] [-v] [h] <-U|-G|-P> <filesystem>"},
551 {"project", lfs_project, 0,
552 "Change or list project attribute for specified file or directory.\n"
553 "usage: project [-d|-r] <file|directory...>\n"
554 " list project ID and flags on file(s) or directories\n"
555 " project [-p id] [-s] [-r] <file|directory...>\n"
556 " set project ID and/or inherit flag for specified file(s) or directories\n"
557 " project -c [-d|-r [-p id] [-0]] <file|directory...>\n"
558 " check project ID and flags on file(s) or directories, print outliers\n"
559 " project -C [-r] [-k] <file|directory...>\n"
560 " clear the project inherit flag and ID on the file or directory\n"
563 {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
564 "usage: flushctx [-k] [mountpoint...]"},
565 {"changelog", lfs_changelog, 0,
566 "Show the metadata changes on an MDT."
567 "\nusage: changelog <mdtname> [startrec [endrec]]"},
568 {"changelog_clear", lfs_changelog_clear, 0,
569 "Indicate that old changelog records up to <endrec> are no longer of "
570 "interest to consumer <id>, allowing the system to free up space.\n"
571 "An <endrec> of 0 means all records.\n"
572 "usage: changelog_clear <mdtname> <id> <endrec>"},
573 {"fid2path", lfs_fid2path, 0,
574 "Resolve the full path(s) for given FID(s). For a specific hardlink "
575 "specify link number <linkno>.\n"
576 "usage: fid2path [-c] [--link|-l <linkno>] <fsname|root> <fid> ..."},
577 {"path2fid", lfs_path2fid, 0, "Display the fid(s) for a given path(s).\n"
578 "usage: path2fid [--parents] <path> ..."},
579 {"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
580 "usage: rmfid <fsname|rootpath> <fid> ..."},
581 {"data_version", lfs_data_version, 0, "Display file data version for "
582 "a given path.\n" "usage: data_version [-n|-r|-w] <path>"},
583 {"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
584 "undergoing actions) for given files.\n usage: hsm_state <file> ..."},
585 {"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
586 "usage: hsm_set [--norelease] [--noarchive] [--dirty] [--exists] "
587 "[--archived] [--lost] [--archive-id NUM] <file> ..."},
588 {"hsm_clear", lfs_hsm_clear, 0, "Clear HSM user flag on specified "
590 "usage: hsm_clear [--norelease] [--noarchive] [--dirty] [--exists] "
591 "[--archived] [--lost] <file> ..."},
592 {"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
593 "given files.\n" "usage: hsm_action <file> ..."},
594 {"hsm_archive", lfs_hsm_archive, 0,
595 "Archive file to external storage.\n"
596 "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
598 {"hsm_restore", lfs_hsm_restore, 0,
599 "Restore file from external storage.\n"
600 "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
601 {"hsm_release", lfs_hsm_release, 0,
602 "Release files from Lustre.\n"
603 "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
604 {"hsm_remove", lfs_hsm_remove, 0,
605 "Remove file copy from external storage.\n"
606 "usage: hsm_remove [--filelist FILELIST] [--data DATA] "
608 " (FILE [FILE ...] | "
609 "--mntpath MOUNTPATH FID [FID ...])\n"
611 "Note: To remove an archived copy of a file already deleted from a "
613 "--mntpath option and a list of FIDs must be specified"
615 {"hsm_cancel", lfs_hsm_cancel, 0,
616 "Cancel requests related to specified files.\n"
617 "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
618 {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
619 "usage: swap_layouts <path1> <path2>"},
620 {"migrate", lfs_setstripe_migrate, 0,
621 "migrate a directory between MDTs.\n"
622 "usage: migrate [--mdt-count|-c] <stripe_count>\n"
623 " [--mdt-hash|-H] <hash_type>\n"
624 " [--mdt-index|-m] <start_mdt_index>\n"
627 "\tmdt: MDTs to stripe over, if only one MDT is specified\n"
628 " it's the MDT index of first stripe\n"
629 "\tmdt_count: number of MDTs to stripe a directory over\n"
630 "\tmdt_hash: hash type of the striped directory. mdt types:\n"
631 " fnv_1a_64 FNV-1a hash algorithm (default)\n"
632 " all_char sum of characters % MDT_COUNT\n"
634 "migrate file objects from one OST "
635 "layout\nto another (may be not safe with concurent writes).\n"
637 "[--stripe-count|-c] <stripe_count>\n"
638 "[--overstripe-count|-C] <stripe_count>\n"
639 " [--stripe-index|-i] <start_ost_index>\n"
640 " [--stripe-size|-S] <stripe_size>\n"
641 " [--pool|-p] <pool_name>\n"
642 " [--ost|-o] <ost_indices>\n"
644 " [--non-block|-n]\n"
645 " [--non-direct|-D]\n"
646 " <file|directory>\n"
647 "\tstripe_count: number of OSTs to stripe a file over\n"
648 "\t Using -C instead of -c allows overstriping, which\n"
649 "\t will place more than one stripe per OST if\n"
650 "\t stripe_count is greater than the number of OSTs\n"
651 "\tstripe_ost_index: index of the first OST to stripe a file over\n"
652 "\tstripe_size: number of bytes to store before moving to the next OST\n"
653 "\tpool_name: name of the predefined pool of OSTs\n"
654 "\tost_indices: OSTs to stripe over, in order\n"
655 "\tblock: Block file access during data migration (default)\n"
656 "\tnon-block: Abort migrations if concurrent access is detected\n"
657 "\tnon-direct: do not use direct I/O to copy file contents.\n"},
659 "To move directories between MDTs. This command is deprecated, "
660 "use \"migrate\" instead.\n"
661 "usage: mv <directory|filename> [--mdt-index|-m] <mdt_index> "
663 {"ladvise", lfs_ladvise, 0,
664 "Provide servers with advice about access patterns for a file.\n"
665 "usage: ladvise [--advice|-a ADVICE] [--start|-s START[kMGT]]\n"
666 " [--background|-b] [--unset|-u]\n\n"
667 " {[--end|-e END[kMGT]] | [--length|-l LENGTH[kMGT]]}\n"
668 " {[--mode|-m [READ,WRITE]}\n"
670 {"mirror", lfs_mirror, mirror_cmdlist,
671 "lfs commands used to manage files with mirrored components:\n"
672 "lfs mirror create - create a mirrored file or directory\n"
673 "lfs mirror extend - add mirror(s) to an existing file\n"
674 "lfs mirror split - split a mirror from an existing mirrored file\n"
675 "lfs mirror resync - resynchronize out-of-sync mirrored file(s)\n"
676 "lfs mirror read - read a mirror content of a mirrored file\n"
677 "lfs mirror write - write to a mirror of a mirrored file\n"
678 "lfs mirror copy - copy a mirror to other mirror(s) of a file\n"
679 "lfs mirror verify - verify mirrored file(s)\n"},
680 {"getsom", lfs_getsom, 0, "To list the SOM info for a given file.\n"
681 "usage: getsom [-s] [-b] [-f] <path>\n"
682 "\t-s: Only show the size value of the SOM data for a given file\n"
683 "\t-b: Only show the blocks value of the SOM data for a given file\n"
684 "\t-f: Only show the flags value of the SOM data for a given file\n"},
685 {"heat_get", lfs_heat_get, 0,
686 "To get heat of files.\n"
687 "usage: heat_get <file> ...\n"},
688 {"heat_set", lfs_heat_set, 0,
689 "To set heat flags of files.\n"
690 "usage: heat_set [--clear|-c] [--off|-o] [--on|-O] <file> ...\n"
691 "\t--clear|-c: Clear file heat for given files\n"
692 "\t--off|-o: Turn off file heat for given files\n"
693 "\t--on|-O: Turn on file heat for given files\n"},
694 {"pcc", lfs_pcc, pcc_cmdlist,
695 "lfs commands used to interact with PCC features:\n"
696 "lfs pcc attach - attach given files to Persistent Client Cache\n"
697 "lfs pcc attach_fid - attach given files into PCC by FID(s)\n"
698 "lfs pcc state - display the PCC state for given files\n"
699 "lfs pcc detach - detach given files from Persistent Client Cache\n"
700 "lfs pcc detach_fid - detach given files from PCC by FID(s)\n"},
701 {"help", Parser_help, 0, "help"},
702 {"exit", Parser_quit, 0, "quit"},
703 {"quit", Parser_quit, 0, "quit"},
704 {"--version", Parser_version, 0,
705 "output build version of the utility and exit"},
706 {"--list-commands", lfs_list_commands, 0,
707 "list commands supported by the utility and exit"},
712 static int check_hashtype(const char *hashtype)
716 for (i = LMV_HASH_TYPE_ALL_CHARS; i < LMV_HASH_TYPE_MAX; i++)
717 if (strcmp(hashtype, mdt_hash_name[i]) == 0)
723 static uint32_t check_foreign_type_name(const char *foreign_type_name)
727 for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
728 if (lu_foreign_types[i].lft_name == NULL)
730 if (strcmp(foreign_type_name,
731 lu_foreign_types[i].lft_name) == 0)
732 return lu_foreign_types[i].lft_type;
735 return LU_FOREIGN_TYPE_UNKNOWN;
738 static const char *error_loc = "syserror";
741 MIGRATION_NONBLOCK = 0x0001,
742 MIGRATION_MIRROR = 0x0002,
743 MIGRATION_NONDIRECT = 0x0004,
744 MIGRATION_VERBOSE = 0x0008,
747 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
748 struct llapi_layout *layout);
751 migrate_open_files(const char *name, __u64 migration_flags,
752 const struct llapi_stripe_param *param,
753 struct llapi_layout *layout, int *fd_src, int *fd_tgt)
760 char parent[PATH_MAX];
761 char volatile_file[PATH_MAX];
767 if (param == NULL && layout == NULL) {
768 error_loc = "layout information";
772 /* search for file directory pathname */
773 if (strlen(name) > sizeof(parent) - 1) {
774 error_loc = "source file name";
778 strncpy(parent, name, sizeof(parent));
779 ptr = strrchr(parent, '/');
781 if (getcwd(parent, sizeof(parent)) == NULL) {
782 error_loc = "getcwd";
786 if (ptr == parent) /* leading '/' */
791 /* open file, direct io */
792 /* even if the file is only read, WR mode is nedeed to allow
793 * layout swap on fd */
795 if (!(migration_flags & MIGRATION_NONDIRECT))
797 fd = open(name, rflags);
800 error_loc = "cannot open source file";
804 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
806 error_loc = "cannot get MDT index";
811 int open_flags = O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW;
812 mode_t open_mode = S_IRUSR | S_IWUSR;
814 random_value = random();
815 rc = snprintf(volatile_file, sizeof(volatile_file),
816 "%s/%s:%.4X:%.4X", parent, LUSTRE_VOLATILE_HDR,
817 mdt_index, random_value);
818 if (rc >= sizeof(volatile_file)) {
823 /* create, open a volatile file, use caching (ie no directio) */
825 fdv = lfs_component_create(volatile_file, open_flags,
828 fdv = llapi_file_open_param(volatile_file, open_flags,
830 } while (fdv < 0 && (rc = fdv) == -EEXIST);
833 error_loc = "cannot create volatile file";
837 /* In case the MDT does not support creation of volatile files
838 * we should try to unlink it. */
839 (void)unlink(volatile_file);
841 /* Not-owner (root?) special case.
842 * Need to set owner/group of volatile file like original.
843 * This will allow to pass related check during layout_swap.
848 error_loc = "cannot stat source file";
852 rc = fstat(fdv, &stv);
855 error_loc = "cannot stat volatile";
859 if (st.st_uid != stv.st_uid || st.st_gid != stv.st_gid) {
860 rc = fchown(fdv, st.st_uid, st.st_gid);
863 error_loc = "cannot change ownwership of volatile";
882 static int migrate_copy_data(int fd_src, int fd_dst, int (*check_file)(int))
884 struct llapi_layout *layout;
885 size_t buf_size = 4 * 1024 * 1024;
894 layout = llapi_layout_get_by_fd(fd_src, 0);
895 if (layout != NULL) {
896 uint64_t stripe_size;
898 rc = llapi_layout_stripe_size_get(layout, &stripe_size);
900 buf_size = stripe_size;
902 llapi_layout_free(layout);
905 /* Use a page-aligned buffer for direct I/O */
906 rc = posix_memalign(&buf, getpagesize(), buf_size);
911 /* read new data only if we have written all
912 * previously read data */
915 rc = check_file(fd_src);
920 rsize = read(fd_src, buf, buf_size);
932 wsize = write(fd_dst, buf + bufoff, rpos - wpos);
951 static int migrate_copy_timestamps(int fd, int fdv)
955 if (fstat(fd, &st) == 0) {
956 struct timeval tv[2] = {
957 {.tv_sec = st.st_atime},
958 {.tv_sec = st.st_mtime}
961 return futimes(fdv, tv);
967 static int migrate_block(int fd, int fdv)
974 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
976 error_loc = "cannot get dataversion";
984 /* The grouplock blocks all concurrent accesses to the file.
985 * It has to be taken after llapi_get_data_version as it would
987 rc = llapi_group_lock(fd, gid);
989 error_loc = "cannot get group lock";
993 rc = migrate_copy_data(fd, fdv, NULL);
995 error_loc = "data copy failed";
999 /* Make sure we keep original atime/mtime values */
1000 rc = migrate_copy_timestamps(fd, fdv);
1002 error_loc = "timestamp copy failed";
1007 * for a migration we need to check data version on file did
1010 * Pass in gid=0 since we already own grouplock. */
1011 rc = llapi_fswap_layouts_grouplock(fd, fdv, dv1, 0, 0,
1012 SWAP_LAYOUTS_CHECK_DV1);
1013 if (rc == -EAGAIN) {
1014 error_loc = "file changed";
1016 } else if (rc < 0) {
1017 error_loc = "cannot swap layout";
1022 rc2 = llapi_group_unlock(fd, gid);
1023 if (rc2 < 0 && rc == 0) {
1024 error_loc = "unlock group lock";
1032 * Internal helper for migrate_copy_data(). Check lease and report error if
1035 * \param[in] fd File descriptor on which to check the lease.
1037 * \retval 0 Migration can keep on going.
1038 * \retval -errno Error occurred, abort migration.
1040 static int check_lease(int fd)
1044 rc = llapi_lease_check(fd);
1046 return 0; /* llapi_check_lease returns > 0 on success. */
1051 static int migrate_nonblock(int fd, int fdv)
1057 rc = llapi_get_data_version(fd, &dv1, LL_DV_RD_FLUSH);
1059 error_loc = "cannot get data version";
1063 rc = migrate_copy_data(fd, fdv, check_lease);
1065 error_loc = "data copy failed";
1069 rc = llapi_get_data_version(fd, &dv2, LL_DV_RD_FLUSH);
1071 error_loc = "cannot get data version";
1077 error_loc = "source file changed";
1081 /* Make sure we keep original atime/mtime values */
1082 rc = migrate_copy_timestamps(fd, fdv);
1084 error_loc = "timestamp copy failed";
1091 static int lfs_component_set(char *fname, int comp_id,
1092 __u32 flags, __u32 neg_flags)
1095 __u32 flags_array[2];
1100 ids[count] = comp_id;
1101 flags_array[count] = flags;
1106 if (neg_flags & LCME_FL_STALE) {
1107 fprintf(stderr, "%s: cannot clear 'stale' flags from "
1108 "component. Please use lfs-mirror-resync(1) "
1109 "instead\n", progname);
1113 ids[count] = comp_id;
1114 flags_array[count] = neg_flags | LCME_FL_NEG;
1118 rc = llapi_layout_file_comp_set(fname, ids, flags_array, count);
1120 if (errno == EUCLEAN) {
1123 "%s: cannot set 'stale' flag on component '%#x' of the last non-stale mirror of '%s'\n",
1124 progname, comp_id, fname);
1127 "%s: cannot change the flags of component '%#x' of file '%s': %x / ^(%x)\n",
1128 progname, comp_id, fname, flags, neg_flags);
1135 static int lfs_component_del(char *fname, __u32 comp_id,
1136 __u32 flags, __u32 neg_flags)
1140 if (flags && neg_flags)
1143 if (!flags && neg_flags)
1144 flags = neg_flags | LCME_FL_NEG;
1146 if ((flags && comp_id) || (!flags && !comp_id))
1150 if (flags & ~LCME_KNOWN_FLAGS) {
1152 "%s setstripe: unknown flags %#x\n",
1156 } else if (comp_id > LCME_ID_MAX) {
1157 fprintf(stderr, "%s setstripe: invalid component id %u\n",
1162 rc = llapi_layout_file_comp_del(fname, comp_id, flags);
1165 "%s setstripe: cannot delete component %#x from '%s': %s\n",
1166 progname, comp_id, fname, strerror(errno));
1170 static int lfs_component_add(char *fname, struct llapi_layout *layout)
1177 rc = llapi_layout_file_comp_add(fname, layout);
1179 fprintf(stderr, "Add layout component(s) to %s failed. %s\n",
1180 fname, strerror(errno));
1184 static int lfs_component_create(char *fname, int open_flags, mode_t open_mode,
1185 struct llapi_layout *layout)
1193 fd = lstat(fname, &st);
1194 if (fd == 0 && S_ISDIR(st.st_mode))
1195 open_flags = O_DIRECTORY | O_RDONLY;
1197 fd = llapi_layout_file_open(fname, open_flags, open_mode, layout);
1199 fprintf(stderr, "%s: cannot %s '%s': %s\n", progname,
1200 S_ISDIR(st.st_mode) ?
1201 "set default composite layout for" :
1202 "create composite file",
1203 fname, strerror(errno));
1207 static int lfs_migrate(char *name, __u64 migration_flags,
1208 struct llapi_stripe_param *param,
1209 struct llapi_layout *layout)
1211 struct llapi_layout *existing;
1212 uint64_t dom_new, dom_cur;
1217 rc = migrate_open_files(name, migration_flags, param, layout,
1222 rc = llapi_layout_dom_size(layout, &dom_new);
1224 error_loc = "cannot get new layout DoM size";
1227 /* special case for migration to DOM layout*/
1228 existing = llapi_layout_get_by_fd(fd, 0);
1230 error_loc = "cannot get existing layout";
1234 rc = llapi_layout_dom_size(existing, &dom_cur);
1236 error_loc = "cannot get current layout DoM size";
1240 /* if file has DoM layout already then migration is possible to
1241 * the new layout with the same DoM component via swap layout,
1242 * if new layout used bigger DOM size, then mirroring is used
1244 if (dom_new > dom_cur) {
1245 rc = lfs_migrate_to_dom(fd, fdv, name, migration_flags, param,
1248 error_loc = "cannot migrate to DOM layout";
1252 if (!(migration_flags & MIGRATION_NONBLOCK)) {
1253 /* Blocking mode (forced if servers do not support file lease).
1254 * It is also the default mode, since we cannot distinguish
1255 * between a broken lease and a server that does not support
1256 * atomic swap/close (LU-6785) */
1257 rc = migrate_block(fd, fdv);
1261 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1263 error_loc = "cannot get lease";
1267 rc = migrate_nonblock(fd, fdv);
1269 llapi_lease_release(fd);
1273 /* Atomically put lease, swap layouts and close.
1274 * for a migration we need to check data version on file did
1276 rc = llapi_fswap_layouts(fd, fdv, 0, 0, SWAP_LAYOUTS_CLOSE);
1278 error_loc = "cannot swap layout";
1290 fprintf(stderr, "error: %s: %s: %s: %s\n",
1291 progname, name, error_loc, strerror(-rc));
1292 else if (migration_flags & MIGRATION_VERBOSE)
1293 printf("%s\n", name);
1298 static int comp_str2flags(char *string, __u32 *flags, __u32 *neg_flags)
1307 for (name = strtok(string, ","); name; name = strtok(NULL, ",")) {
1311 for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
1312 __u32 comp_flag = comp_flags_table[i].cfn_flag;
1313 const char *comp_name = comp_flags_table[i].cfn_name;
1315 if (strcmp(name, comp_name) == 0) {
1316 *flags |= comp_flag;
1318 } else if (strncmp(name, "^", 1) == 0 &&
1319 strcmp(name + 1, comp_name) == 0) {
1320 *neg_flags |= comp_flag;
1325 llapi_printf(LLAPI_MSG_ERROR,
1326 "%s: component flag '%s' not supported\n",
1332 if (!*flags && !*neg_flags)
1335 /* don't allow to set and exclude the same flag */
1336 if (*flags & *neg_flags)
1342 static int mirror_str2state(char *string, __u16 *state, __u16 *neg_state)
1350 if (strncmp(string, "^", 1) == 0) {
1351 *neg_state = llapi_layout_string_flags(string + 1);
1352 if (*neg_state != 0)
1355 *state = llapi_layout_string_flags(string);
1360 llapi_printf(LLAPI_MSG_ERROR,
1361 "%s: mirrored file state '%s' not supported\n",
1367 * struct mirror_args - Command-line arguments for mirror(s).
1368 * @m_count: Number of mirrors to be created with this layout.
1369 * @m_flags: Mirror level flags, only 'prefer' is supported.
1370 * @m_layout: Mirror layout.
1371 * @m_file: A victim file. Its layout will be split and used as a mirror.
1372 * @m_next: Point to the next node of the list.
1374 * Command-line arguments for mirror(s) will be parsed and stored in
1375 * a linked list that consists of this structure.
1377 struct mirror_args {
1380 struct llapi_layout *m_layout;
1382 struct mirror_args *m_next;
1386 * enum mirror_flags - Flags for extending a mirrored file.
1387 * @MF_NO_VERIFY: Indicates not to verify the mirror(s) from victim file(s)
1388 * in case the victim file(s) contains the same data as the
1389 * original mirrored file.
1390 * @MF_DESTROY: Indicates to delete the mirror from the mirrored file.
1391 * @MF_COMP_ID: specified component id instead of mirror id
1393 * Flags for extending a mirrored file.
1403 * mirror_create_sanity_check() - Check mirror list.
1404 * @list: A linked list that stores the mirror arguments.
1406 * This function does a sanity check on @list for creating
1409 * Return: 0 on success or a negative error code on failure.
1411 static int mirror_create_sanity_check(const char *fname,
1412 struct mirror_args *list)
1415 bool has_m_file = false;
1416 bool has_m_layout = false;
1422 struct llapi_layout *layout;
1424 layout = llapi_layout_get_by_path(fname, 0);
1427 "error: %s: file '%s' couldn't get layout\n",
1432 rc = llapi_layout_sanity(layout, false, true);
1434 llapi_layout_free(layout);
1437 llapi_layout_sanity_perror(rc);
1442 while (list != NULL) {
1443 if (list->m_file != NULL) {
1445 llapi_layout_free(list->m_layout);
1448 llapi_layout_get_by_path(list->m_file, 0);
1449 if (list->m_layout == NULL) {
1451 "error: %s: file '%s' has no layout\n",
1452 progname, list->m_file);
1456 has_m_layout = true;
1457 if (list->m_layout == NULL) {
1458 fprintf(stderr, "error: %s: no mirror layout\n",
1464 rc = llapi_layout_sanity(list->m_layout, false, true);
1466 llapi_layout_sanity_perror(rc);
1470 list = list->m_next;
1473 if (has_m_file && has_m_layout) {
1475 "error: %s: -f <victim_file> option should not be specified with setstripe options\n",
1483 static int mirror_set_flags(struct llapi_layout *layout, void *cbdata)
1485 __u32 mirror_flags = *(__u32 *)cbdata;
1489 rc = llapi_layout_comp_flags_get(layout, &flags);
1494 rc = llapi_layout_comp_flags_set(layout, mirror_flags);
1499 return LLAPI_LAYOUT_ITER_CONT;
1503 * mirror_create() - Create a mirrored file.
1504 * @fname: The file to be created.
1505 * @mirror_list: A linked list that stores the mirror arguments.
1507 * This function creates a mirrored file @fname with the mirror(s)
1508 * from @mirror_list.
1510 * Return: 0 on success or a negative error code on failure.
1512 static int mirror_create(char *fname, struct mirror_args *mirror_list)
1514 struct llapi_layout *layout = NULL;
1515 struct mirror_args *cur_mirror = NULL;
1516 uint16_t mirror_count = 0;
1520 rc = mirror_create_sanity_check(NULL, mirror_list);
1524 cur_mirror = mirror_list;
1525 while (cur_mirror != NULL) {
1526 rc = llapi_layout_comp_iterate(cur_mirror->m_layout,
1528 &cur_mirror->m_flags);
1531 fprintf(stderr, "%s: failed to set mirror flags\n",
1536 for (i = 0; i < cur_mirror->m_count; i++) {
1537 rc = llapi_layout_merge(&layout, cur_mirror->m_layout);
1540 fprintf(stderr, "error: %s: "
1541 "merge layout failed: %s\n",
1542 progname, strerror(errno));
1546 mirror_count += cur_mirror->m_count;
1547 cur_mirror = cur_mirror->m_next;
1550 if (layout == NULL) {
1551 fprintf(stderr, "error: %s: layout is NULL\n", progname);
1555 rc = llapi_layout_mirror_count_set(layout, mirror_count);
1558 fprintf(stderr, "error: %s: set mirror count failed: %s\n",
1559 progname, strerror(errno));
1563 rc = lfs_component_create(fname, O_CREAT | O_WRONLY, 0666,
1571 llapi_layout_free(layout);
1576 * Compare files and check lease on @fd.
1578 * \retval bytes number of bytes are the same
1580 static ssize_t mirror_file_compare(int fd, int fdv)
1582 const size_t buflen = 4 * 1024 * 1024; /* 4M */
1584 ssize_t bytes_done = 0;
1585 ssize_t bytes_read = 0;
1587 buf = malloc(buflen * 2);
1592 if (!llapi_lease_check(fd)) {
1593 bytes_done = -EBUSY;
1597 bytes_read = read(fd, buf, buflen);
1598 if (bytes_read <= 0)
1601 if (bytes_read != read(fdv, buf + buflen, buflen))
1604 /* XXX: should compute the checksum on each buffer and then
1605 * compare checksum to avoid cache collision */
1606 if (memcmp(buf, buf + buflen, bytes_read))
1609 bytes_done += bytes_read;
1617 static int mirror_extend_file(const char *fname, const char *victim_file,
1618 enum mirror_flags mirror_flags)
1623 struct stat stbuf_v;
1624 struct ll_ioc_lease *data = NULL;
1627 fd = open(fname, O_RDWR);
1629 error_loc = "open source file";
1634 fdv = open(victim_file, O_RDWR);
1636 error_loc = "open target file";
1641 if (fstat(fd, &stbuf) || fstat(fdv, &stbuf_v)) {
1642 error_loc = "stat source or target file";
1647 if (stbuf.st_dev != stbuf_v.st_dev) {
1648 error_loc = "stat source and target file";
1653 /* mirrors should be of the same size */
1654 if (stbuf.st_size != stbuf_v.st_size) {
1655 error_loc = "file sizes don't match";
1660 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1662 error_loc = "cannot get lease";
1666 if (!(mirror_flags & MF_NO_VERIFY)) {
1668 /* mirrors should have the same contents */
1669 ret = mirror_file_compare(fd, fdv);
1670 if (ret != stbuf.st_size) {
1671 error_loc = "file busy or contents don't match";
1672 rc = ret < 0 ? ret : -EINVAL;
1677 /* Get rid of caching pages from clients */
1678 rc = llapi_file_flush(fd);
1680 error_loc = "cannot get data version";
1684 rc = llapi_file_flush(fdv);
1686 error_loc = "cannot get data version";
1691 /* Make sure we keep original atime/mtime values */
1692 rc = migrate_copy_timestamps(fd, fdv);
1694 error_loc = "cannot copy timestamp";
1698 /* Atomically put lease, merge layouts and close. */
1699 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1701 error_loc = "memory allocation";
1704 data->lil_mode = LL_LEASE_UNLCK;
1705 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1706 data->lil_count = 1;
1707 data->lil_ids[0] = fdv;
1708 rc = llapi_lease_set(fd, data);
1710 error_loc = "cannot merge layout";
1712 } else if (rc == 0) {
1714 error_loc = "lost lease lock";
1727 (void) unlink(victim_file);
1729 fprintf(stderr, "error: %s: %s: %s: %s\n",
1730 progname, fname, error_loc, strerror(-rc));
1734 static int mirror_extend_layout(char *name, struct llapi_layout *layout)
1736 struct ll_ioc_lease *data = NULL;
1741 rc = migrate_open_files(name, 0, NULL, layout, &fd, &fdv);
1745 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
1747 error_loc = "cannot get lease";
1751 rc = migrate_nonblock(fd, fdv);
1753 llapi_lease_release(fd);
1757 /* Atomically put lease, merge layouts and close. */
1758 data = calloc(1, offsetof(typeof(*data), lil_ids[1]));
1760 error_loc = "memory allocation";
1763 data->lil_mode = LL_LEASE_UNLCK;
1764 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
1765 data->lil_count = 1;
1766 data->lil_ids[0] = fdv;
1767 rc = llapi_lease_set(fd, data);
1769 error_loc = "cannot merge layout";
1771 } else if (rc == 0) {
1773 error_loc = "lost lease lock";
1786 fprintf(stderr, "error: %s: %s: %s: %s\n",
1787 progname, name, error_loc, strerror(-rc));
1791 static int mirror_extend(char *fname, struct mirror_args *mirror_list,
1792 enum mirror_flags mirror_flags)
1796 rc = mirror_create_sanity_check(fname, mirror_list);
1800 while (mirror_list) {
1801 if (mirror_list->m_file != NULL) {
1802 rc = mirror_extend_file(fname, mirror_list->m_file,
1805 __u32 mirror_count = mirror_list->m_count;
1807 while (mirror_count > 0) {
1808 rc = mirror_extend_layout(fname,
1809 mirror_list->m_layout);
1819 mirror_list = mirror_list->m_next;
1825 static int find_mirror_id(struct llapi_layout *layout, void *cbdata)
1830 rc = llapi_layout_mirror_id_get(layout, &id);
1834 if ((__u16)id == *(__u16 *)cbdata)
1835 return LLAPI_LAYOUT_ITER_STOP;
1837 return LLAPI_LAYOUT_ITER_CONT;
1840 static int find_comp_id(struct llapi_layout *layout, void *cbdata)
1845 rc = llapi_layout_comp_id_get(layout, &id);
1849 if (id == *(__u32 *)cbdata)
1850 return LLAPI_LAYOUT_ITER_STOP;
1852 return LLAPI_LAYOUT_ITER_CONT;
1855 struct pool_to_id_cbdata {
1859 static int find_comp_id_by_pool(struct llapi_layout *layout, void *cbdata)
1861 char buf[LOV_MAXPOOLNAME + 1];
1862 struct pool_to_id_cbdata *d = (void *)cbdata;
1866 rc = llapi_layout_pool_name_get(layout, buf, sizeof(buf));
1869 if (strcmp(d->pool, buf))
1870 return LLAPI_LAYOUT_ITER_CONT;
1872 rc = llapi_layout_mirror_id_get(layout, &id);
1877 return LLAPI_LAYOUT_ITER_STOP;
1880 struct collect_ids_data {
1886 static int collect_mirror_id(struct llapi_layout *layout, void *cbdata)
1888 struct collect_ids_data *cid = cbdata;
1892 rc = llapi_layout_mirror_id_get(layout, &id);
1896 if ((__u16)id != cid->cid_exclude) {
1899 for (i = 0; i < cid->cid_count; i++) {
1900 /* already collected the mirror id */
1901 if (id == cid->cid_ids[i])
1902 return LLAPI_LAYOUT_ITER_CONT;
1904 cid->cid_ids[cid->cid_count] = id;
1908 return LLAPI_LAYOUT_ITER_CONT;
1912 * last_non_stale_mirror() - Check if a mirror is the last non-stale mirror.
1913 * @mirror_id: Mirror id to be checked.
1914 * @layout: Mirror component list.
1916 * This function checks if a mirror with specified @mirror_id is the last
1917 * non-stale mirror of a layout @layout.
1919 * Return: true or false.
1922 bool last_non_stale_mirror(__u16 mirror_id, struct llapi_layout *layout)
1924 __u16 mirror_ids[128] = { 0 };
1925 struct collect_ids_data cid = { .cid_ids = mirror_ids,
1927 .cid_exclude = mirror_id, };
1930 llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
1932 for (i = 0; i < cid.cid_count; i++) {
1933 struct llapi_resync_comp comp_array[1024] = { { 0 } };
1936 comp_size = llapi_mirror_find_stale(layout, comp_array,
1937 ARRAY_SIZE(comp_array),
1946 static int mirror_split(const char *fname, __u32 id, const char *pool,
1947 enum mirror_flags mflags, const char *victim_file)
1949 struct llapi_layout *layout;
1950 char parent[PATH_MAX];
1951 char victim[PATH_MAX];
1952 int flags = O_CREAT | O_EXCL | O_LOV_DELAY_CREATE | O_NOFOLLOW;
1954 struct ll_ioc_lease *data;
1955 uint16_t mirror_count;
1960 /* check fname contains mirror with mirror_id/comp_id */
1961 layout = llapi_layout_get_by_path(fname, 0);
1964 "error %s: file '%s' couldn't get layout\n",
1969 rc = llapi_layout_sanity(layout, false, true);
1971 llapi_layout_sanity_perror(rc);
1975 rc = llapi_layout_mirror_count_get(layout, &mirror_count);
1978 "error %s: file '%s' couldn't get mirror count\n",
1982 if (mirror_count < 2) {
1984 "error %s: file '%s' has %d component, cannot split\n",
1985 progname, fname, mirror_count);
1989 if (mflags & MF_COMP_POOL) {
1990 struct pool_to_id_cbdata data = { .pool = pool };
1992 rc = llapi_layout_comp_iterate(layout, find_comp_id_by_pool,
1995 } else if (mflags & MF_COMP_ID) {
1996 rc = llapi_layout_comp_iterate(layout, find_comp_id, &id);
1997 id = mirror_id_of(id);
1999 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &id);
2002 fprintf(stderr, "error %s: failed to iterate layout of '%s'\n",
2005 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
2007 "error %s: file '%s' does not contain mirror with id %u\n",
2008 progname, fname, id);
2012 fd = open(fname, O_RDWR);
2015 "error %s: open file '%s' failed: %s\n",
2016 progname, fname, strerror(errno));
2020 /* get victim file directory pathname */
2021 if (strlen(fname) > sizeof(parent) - 1) {
2022 fprintf(stderr, "error %s: file name of '%s' too long\n",
2027 strncpy(parent, fname, sizeof(parent));
2028 ptr = strrchr(parent, '/');
2030 if (getcwd(parent, sizeof(parent)) == NULL) {
2031 fprintf(stderr, "error %s: getcwd failed: %s\n",
2032 progname, strerror(errno));
2042 rc = llapi_file_fget_mdtidx(fd, &mdt_index);
2044 fprintf(stderr, "%s: cannot get MDT index of '%s'\n",
2049 if (victim_file == NULL) {
2050 /* use a temp file to store the splitted layout */
2051 if (mflags & MF_DESTROY) {
2052 if (last_non_stale_mirror(id, layout)) {
2055 "%s: cannot destroy the last non-stale mirror of file '%s'\n",
2060 fdv = llapi_create_volatile_idx(parent, mdt_index,
2061 O_LOV_DELAY_CREATE);
2063 snprintf(victim, sizeof(victim), "%s.mirror~%u",
2065 fdv = open(victim, flags, S_IRUSR | S_IWUSR);
2068 /* user specified victim file */
2069 fdv = open(victim_file, flags, S_IRUSR | S_IWUSR);
2074 "error %s: create victim file failed: %s\n",
2075 progname, strerror(errno));
2079 /* get lease lock of fname */
2080 rc = llapi_lease_acquire(fd, LL_LEASE_WRLCK);
2083 "error %s: cannot get lease of file '%s': %d\n",
2084 progname, fname, rc);
2088 /* Atomatically put lease, split layouts and close. */
2089 data = malloc(offsetof(typeof(*data), lil_ids[2]));
2095 data->lil_mode = LL_LEASE_UNLCK;
2096 data->lil_flags = LL_LEASE_LAYOUT_SPLIT;
2097 data->lil_count = 2;
2098 data->lil_ids[0] = fdv;
2099 data->lil_ids[1] = id;
2100 rc = llapi_lease_set(fd, data);
2102 if (rc == 0) /* lost lease lock */
2105 "error %s: cannot split '%s': %s\n",
2106 progname, fname, strerror(-rc));
2117 llapi_layout_free(layout);
2122 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
2123 __u16 *mirror_ids, int ids_nr);
2125 static int lfs_migrate_to_dom(int fd, int fdv, char *name,
2126 __u64 migration_flags,
2127 struct llapi_stripe_param *param,
2128 struct llapi_layout *layout)
2130 struct ll_ioc_lease *data = NULL;
2133 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
2135 error_loc = "cannot get lease";
2139 /* Atomically put lease, merge layouts, resync and close. */
2140 data = calloc(1, offsetof(typeof(*data), lil_ids[1024]));
2142 error_loc = "memory allocation";
2145 data->lil_mode = LL_LEASE_UNLCK;
2146 data->lil_flags = LL_LEASE_LAYOUT_MERGE;
2147 data->lil_count = 1;
2148 data->lil_ids[0] = fdv;
2149 rc = llapi_lease_set(fd, data);
2151 error_loc = "cannot merge layout";
2153 } else if (rc == 0) {
2155 error_loc = "lost lease lock";
2161 rc = lfs_mirror_resync_file(name, data, NULL, 0);
2163 error_loc = "cannot resync file";
2167 /* delete first mirror now */
2168 rc = mirror_split(name, 1, NULL, MF_DESTROY, NULL);
2170 error_loc = "cannot delete old layout";
2178 fprintf(stderr, "error: %s: %s: %s: %s\n",
2179 progname, name, error_loc, strerror(-rc));
2180 else if (migration_flags & MIGRATION_VERBOSE)
2181 printf("%s\n", name);
2188 * Parse a string containing an target index list into an array of integers.
2190 * The input string contains a comma delimited list of individual
2191 * indices and ranges, for example "1,2-4,7". Add the indices into the
2192 * \a tgts array and remove duplicates.
2194 * \param[out] tgts array to store indices in
2195 * \param[in] size size of \a tgts array
2196 * \param[in] offset starting index in \a tgts
2197 * \param[in] arg string containing OST index list
2198 * \param[in/out] overstriping index list may contain duplicates
2200 * \retval positive number of indices in \a tgts
2201 * \retval -EINVAL unable to parse \a arg
2203 static int parse_targets(__u32 *tgts, int size, int offset, char *arg,
2204 unsigned long long *pattern)
2208 int slots = size - offset;
2210 bool overstriped = false;
2216 end_of_loop = false;
2217 while (!end_of_loop) {
2218 int start_index = 0;
2221 char *endptr = NULL;
2225 ptr = strchrnul(arg, ',');
2227 end_of_loop = *ptr == '\0';
2230 start_index = strtol(arg, &endptr, 0);
2231 if (endptr == arg) /* no data at all */
2233 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
2236 end_index = start_index;
2237 if (*endptr == '-') {
2238 end_index = strtol(endptr + 1, &endptr, 0);
2239 if (*endptr != '\0')
2241 if (end_index < start_index)
2245 for (i = start_index; i <= end_index && slots > 0; i++) {
2248 /* remove duplicate */
2249 for (j = 0; j < offset; j++) {
2250 if (tgts[j] == i && pattern &&
2251 *pattern == LLAPI_LAYOUT_OVERSTRIPING)
2253 else if (tgts[j] == i)
2259 if (j == offset) { /* check complete */
2265 if (slots == 0 && i < end_index)
2273 if (!end_of_loop && ptr != NULL)
2276 if (!overstriped && pattern)
2277 *pattern = LLAPI_LAYOUT_DEFAULT;
2279 return rc < 0 ? rc : nr;
2282 struct lfs_setstripe_args {
2283 unsigned long long lsa_comp_end;
2284 unsigned long long lsa_stripe_size;
2285 unsigned long long lsa_extension_size;
2286 long long lsa_stripe_count;
2287 long long lsa_stripe_off;
2288 __u32 lsa_comp_flags;
2289 __u32 lsa_comp_neg_flags;
2290 unsigned long long lsa_pattern;
2291 unsigned int lsa_mirror_count;
2293 bool lsa_first_comp;
2294 bool lsa_extension_comp;
2296 char *lsa_pool_name;
2299 static inline void setstripe_args_init(struct lfs_setstripe_args *lsa)
2301 unsigned int mirror_count = lsa->lsa_mirror_count;
2302 bool first_comp = lsa->lsa_first_comp;
2304 memset(lsa, 0, sizeof(*lsa));
2306 lsa->lsa_stripe_size = LLAPI_LAYOUT_DEFAULT;
2307 lsa->lsa_stripe_count = LLAPI_LAYOUT_DEFAULT;
2308 lsa->lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
2309 lsa->lsa_pattern = LLAPI_LAYOUT_RAID0;
2310 lsa->lsa_pool_name = NULL;
2312 lsa->lsa_mirror_count = mirror_count;
2313 lsa->lsa_first_comp = first_comp;
2317 * setstripe_args_init_inherit() - Initialize and inherit stripe options.
2318 * @lsa: Stripe options to be initialized and inherited.
2320 * This function initializes stripe options in @lsa and inherit
2321 * stripe_size, stripe_count and OST pool_name options.
2325 static inline void setstripe_args_init_inherit(struct lfs_setstripe_args *lsa)
2327 unsigned long long stripe_size;
2328 long long stripe_count;
2329 char *pool_name = NULL;
2331 stripe_size = lsa->lsa_stripe_size;
2332 stripe_count = lsa->lsa_stripe_count;
2333 pool_name = lsa->lsa_pool_name;
2335 setstripe_args_init(lsa);
2337 lsa->lsa_stripe_size = stripe_size;
2338 lsa->lsa_stripe_count = stripe_count;
2339 lsa->lsa_pool_name = pool_name;
2342 static inline bool setstripe_args_specified(struct lfs_setstripe_args *lsa)
2344 return (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT ||
2345 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ||
2346 lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
2347 lsa->lsa_pattern != LLAPI_LAYOUT_RAID0 ||
2348 lsa->lsa_comp_end != 0);
2352 * comp_args_to_layout() - Create or extend a composite layout.
2353 * @composite: Pointer to the composite layout.
2354 * @lsa: Stripe options for the new component.
2356 * This function creates or extends a composite layout by adding a new
2357 * component with stripe options from @lsa.
2359 * Return: 0 on success or an error code on failure.
2361 static int comp_args_to_layout(struct llapi_layout **composite,
2362 struct lfs_setstripe_args *lsa,
2365 struct llapi_layout *layout = *composite;
2366 uint64_t prev_end = 0;
2371 if (layout == NULL) {
2372 layout = llapi_layout_alloc();
2373 if (layout == NULL) {
2374 fprintf(stderr, "Alloc llapi_layout failed. %s\n",
2379 *composite = layout;
2380 lsa->lsa_first_comp = true;
2384 /* Get current component extent, current component
2385 * must be the tail component. */
2386 rc = llapi_layout_comp_extent_get(layout, &start, &prev_end);
2388 fprintf(stderr, "Get comp extent failed. %s\n",
2393 if (lsa->lsa_first_comp)
2396 if (lsa->lsa_first_comp)
2397 rc = llapi_layout_add_first_comp(layout);
2399 rc = llapi_layout_comp_add(layout);
2401 fprintf(stderr, "Add component failed. %s\n",
2407 rc = llapi_layout_comp_flags_set(layout, lsa->lsa_comp_flags);
2409 fprintf(stderr, "Set flags 0x%x failed: %s\n",
2410 lsa->lsa_comp_flags, strerror(errno));
2415 uint64_t comp_end = lsa->lsa_comp_end;
2417 /* The extendable component is 0-length, so it can be removed
2418 * if there is insufficient space to extend it. */
2419 if (lsa->lsa_extension_comp)
2420 comp_end = prev_end;
2422 rc = llapi_layout_comp_extent_set(layout, prev_end,
2425 fprintf(stderr, "Set extent [%lu, %lu) failed. %s\n",
2426 prev_end, comp_end, strerror(errno));
2430 /* reset lsa_first_comp */
2431 lsa->lsa_first_comp = false;
2433 /* Data-on-MDT component setting */
2434 if (lsa->lsa_pattern == LLAPI_LAYOUT_MDT) {
2435 /* In case of Data-on-MDT patterns the only extra option
2436 * applicable is stripe size option. */
2437 if (lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
2438 fprintf(stderr, "Option 'stripe-count' can't be "
2439 "specified with Data-on-MDT component: %lld\n",
2440 lsa->lsa_stripe_count);
2444 if (lsa->lsa_stripe_size != LLAPI_LAYOUT_DEFAULT) {
2445 fprintf(stderr, "Option 'stripe-size' can't be "
2446 "specified with Data-on-MDT component: %llu\n",
2447 lsa->lsa_stripe_size);
2451 if (lsa->lsa_nr_tgts != 0) {
2452 fprintf(stderr, "Option 'ost-list' can't be specified "
2453 "with Data-on-MDT component: '%i'\n",
2458 if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT) {
2459 fprintf(stderr, "Option 'stripe-offset' can't be "
2460 "specified with Data-on-MDT component: %lld\n",
2461 lsa->lsa_stripe_off);
2465 if (lsa->lsa_pool_name != 0) {
2466 fprintf(stderr, "Option 'pool' can't be specified "
2467 "with Data-on-MDT component: '%s'\n",
2468 lsa->lsa_pool_name);
2473 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2475 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2480 /* Data-on-MDT component has always single stripe up to end */
2481 lsa->lsa_stripe_size = lsa->lsa_comp_end;
2482 } else if (lsa->lsa_pattern == LLAPI_LAYOUT_OVERSTRIPING) {
2483 rc = llapi_layout_pattern_set(layout, lsa->lsa_pattern);
2485 fprintf(stderr, "Set stripe pattern %#llx failed. %s\n",
2492 size = lsa->lsa_comp_flags & LCME_FL_EXTENSION ?
2493 lsa->lsa_extension_size : lsa->lsa_stripe_size;
2495 if (lsa->lsa_comp_flags & LCME_FL_EXTENSION)
2496 rc = llapi_layout_extension_size_set(layout, size);
2498 rc = llapi_layout_stripe_size_set(layout, size);
2501 fprintf(stderr, "Set stripe size %lu failed: %s\n",
2502 size, strerror(errno));
2506 rc = llapi_layout_stripe_count_set(layout, lsa->lsa_stripe_count);
2508 fprintf(stderr, "Set stripe count %lld failed: %s\n",
2509 lsa->lsa_stripe_count, strerror(errno));
2513 if (lsa->lsa_pool_name != NULL) {
2514 rc = llapi_layout_pool_name_set(layout, lsa->lsa_pool_name);
2516 fprintf(stderr, "Set pool name: %s failed. %s\n",
2517 lsa->lsa_pool_name, strerror(errno));
2521 rc = llapi_layout_pool_name_set(layout, "");
2523 fprintf(stderr, "Clear pool name failed: %s\n",
2529 if (lsa->lsa_nr_tgts > 0) {
2530 if (lsa->lsa_stripe_count > 0 &&
2531 lsa->lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
2532 lsa->lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
2533 lsa->lsa_nr_tgts != lsa->lsa_stripe_count) {
2534 fprintf(stderr, "stripe_count(%lld) != nr_tgts(%d)\n",
2535 lsa->lsa_stripe_count,
2540 for (i = 0; i < lsa->lsa_nr_tgts; i++) {
2541 rc = llapi_layout_ost_index_set(layout, i,
2546 } else if (lsa->lsa_stripe_off != LLAPI_LAYOUT_DEFAULT &&
2547 lsa->lsa_stripe_off != -1) {
2548 rc = llapi_layout_ost_index_set(layout, 0, lsa->lsa_stripe_off);
2551 fprintf(stderr, "Set ost index %d failed. %s\n",
2552 i, strerror(errno));
2556 /* Create the second, virtual component of extension space */
2557 if (lsa->lsa_extension_comp) {
2558 lsa->lsa_comp_flags |= LCME_FL_EXTENSION;
2559 lsa->lsa_extension_comp = false;
2566 static int build_component(struct llapi_layout **layout,
2567 struct lfs_setstripe_args *lsa, bool set_extent)
2571 rc = comp_args_to_layout(layout, lsa, set_extent);
2575 if (lsa->lsa_mirror_count > 0) {
2576 rc = llapi_layout_mirror_count_set(*layout,
2577 lsa->lsa_mirror_count);
2581 rc = llapi_layout_flags_set(*layout, LCM_FL_RDONLY);
2584 lsa->lsa_mirror_count = 0;
2590 static int build_layout_from_yaml_node(struct cYAML *node,
2591 struct llapi_layout **layout,
2592 struct lfs_setstripe_args *lsa,
2599 if (node->cy_type == CYAML_TYPE_OBJECT) {
2600 /* go deep to sub blocks */
2601 rc = build_layout_from_yaml_node(node->cy_child, layout,
2606 if (node->cy_string == NULL)
2609 string = node->cy_string;
2610 /* skip leading lmm_ if present, to simplify parsing */
2611 if (strncmp(string, "lmm_", 4) == 0)
2614 if (node->cy_type == CYAML_TYPE_STRING) {
2615 if (!strcmp(string, "lcme_extent.e_end")) {
2616 if (!strcmp(node->cy_valuestring, "EOF") ||
2617 !strcmp(node->cy_valuestring, "eof"))
2618 lsa->lsa_comp_end = LUSTRE_EOF;
2619 } else if (!strcmp(string, "pool")) {
2620 lsa->lsa_pool_name = node->cy_valuestring;
2621 } else if (!strcmp(string, "pattern")) {
2622 if (!strcmp(node->cy_valuestring, "mdt"))
2623 lsa->lsa_pattern = LLAPI_LAYOUT_MDT;
2624 if (!strcmp(node->cy_valuestring,
2625 "raid0,overstriped"))
2627 LLAPI_LAYOUT_OVERSTRIPING;
2628 } else if (!strcmp(string, "lcme_flags")) {
2629 rc = comp_str2flags(node->cy_valuestring,
2630 &lsa->lsa_comp_flags,
2631 &lsa->lsa_comp_neg_flags);
2634 /* Only template flags have meaning in
2635 * the layout for a new file
2637 lsa->lsa_comp_flags &= LCME_TEMPLATE_FLAGS;
2639 } else if (node->cy_type == CYAML_TYPE_NUMBER) {
2640 if (!strcmp(string, "lcm_mirror_count")) {
2641 lsa->lsa_mirror_count = node->cy_valueint;
2642 } else if (!strcmp(string, "lcme_extent.e_start")) {
2643 if (node->cy_valueint != 0 || *layout != NULL) {
2644 rc = build_component(layout, lsa, true);
2649 if (node->cy_valueint == 0)
2650 lsa->lsa_first_comp = true;
2652 /* initialize lsa */
2653 setstripe_args_init(lsa);
2654 lsa->lsa_tgts = osts;
2655 } else if (!strcmp(string, "lcme_extent.e_end")) {
2656 if (node->cy_valueint == -1)
2657 lsa->lsa_comp_end = LUSTRE_EOF;
2659 lsa->lsa_comp_end = node->cy_valueint;
2660 } else if (!strcmp(string, "stripe_count")) {
2661 lsa->lsa_stripe_count = node->cy_valueint;
2662 } else if (!strcmp(string, "stripe_size")) {
2663 lsa->lsa_stripe_size = node->cy_valueint;
2664 } else if (!strcmp(string, "stripe_offset")) {
2665 lsa->lsa_stripe_off = node->cy_valueint;
2666 } else if (!strcmp(string, "l_ost_idx")) {
2667 osts[lsa->lsa_nr_tgts] = node->cy_valueint;
2672 node = node->cy_next;
2678 static int lfs_comp_create_from_yaml(char *template,
2679 struct llapi_layout **layout,
2680 struct lfs_setstripe_args *lsa,
2683 struct cYAML *tree = NULL, *err_rc = NULL;
2686 tree = cYAML_build_tree(template, NULL, 0, &err_rc, false);
2688 fprintf(stderr, "%s: cannot parse YAML file %s\n",
2689 progname, template);
2690 cYAML_build_error(-EINVAL, -1, "yaml", "from comp yaml",
2691 "can't parse", &err_rc);
2692 cYAML_print_tree2file(stderr, err_rc);
2693 cYAML_free_tree(err_rc);
2698 /* initialize lsa for plain file */
2699 setstripe_args_init(lsa);
2700 lsa->lsa_tgts = osts;
2702 rc = build_layout_from_yaml_node(tree, layout, lsa, osts);
2704 fprintf(stderr, "%s: cannot build layout from YAML file %s.\n",
2705 progname, template);
2708 rc = build_component(layout, lsa, *layout != NULL);
2710 /* clean clean lsa */
2711 setstripe_args_init(lsa);
2715 cYAML_free_tree(tree);
2720 * Get the extension size from the next (SEL) component and extend the
2721 * current component on it. The start of the next component is to be
2724 * \param[in] layout the current layout
2725 * \param[in] start the start of the current component
2726 * \param[in,out] end the end of the current component
2727 * \param[in] offset the offset to adjust the end position to instead of
2730 * \retval 0 - extended successfully
2731 * \retval < 0 - error
2733 static int layout_extend_comp(struct llapi_layout *layout,
2734 uint64_t start, uint64_t *end,
2737 uint64_t size, next_start, next_end;
2740 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_NEXT);
2742 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2743 "%s\n", progname, strerror(errno));
2747 /* Even if the @size will not be used below, this will fail if
2748 * this is not a SEL component - a good confirmation we are
2749 * working on right components. */
2750 rc = llapi_layout_extension_size_get(layout, &size);
2752 fprintf(stderr, "%s setstripe: cannot get component ext size: "
2753 "%s\n", progname, strerror(errno));
2757 rc = llapi_layout_comp_extent_get(layout, &next_start, &next_end);
2759 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2760 progname, strerror(errno));
2764 next_start += offset ?: size;
2765 rc = llapi_layout_comp_extent_set(layout, next_start, next_end);
2767 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2768 progname, strerror(errno));
2772 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_PREV);
2774 fprintf(stderr, "%s setstripe: cannot move component cursor: "
2775 "%s\n", progname, strerror(errno));
2779 *end += offset ?: size;
2780 rc = llapi_layout_comp_extent_set(layout, start, *end);
2782 fprintf(stderr, "%s setstripe: cannot set extent: %s\n",
2783 progname, strerror(errno));
2791 * In 'lfs setstripe --component-add' mode, we need to fetch the extent
2792 * end of the last component in the existing file, and adjust the
2793 * first extent start of the components to be added accordingly.
2795 * In the create mode, we need to check if the first component is an extendable
2796 * SEL component and extend its length to the extension size (first component
2797 * of the PFL file is initialised at the create time, cannot be 0-lenght.
2799 static int layout_adjust_first_extent(char *fname, struct llapi_layout *layout,
2802 struct llapi_layout *head;
2803 uint64_t start = 0, prev_end = 0;
2812 head = llapi_layout_get_by_path(fname, 0);
2815 "%s setstripe: cannot read layout from '%s': "
2816 "%s\n", progname, fname, strerror(errno));
2818 } else if (errno == ENODATA) {
2819 /* file without LOVEA, this component-add will be turned
2820 * into a component-create. */
2821 llapi_layout_free(head);
2824 /* the new layout will be added to an empty one, it
2825 * still needs to be adjusted below */
2828 } else if (!llapi_layout_is_composite(head)) {
2829 fprintf(stderr, "%s setstripe: '%s' not a composite "
2830 "file\n", progname, fname);
2831 llapi_layout_free(head);
2835 rc = llapi_layout_comp_extent_get(head, &start, &prev_end);
2837 fprintf(stderr, "%s setstripe: cannot get prev "
2838 "extent: %s\n", progname, strerror(errno));
2839 llapi_layout_free(head);
2843 llapi_layout_free(head);
2847 /* Make sure we use the first component of the layout to be added. */
2848 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
2851 "%s setstripe: cannot move component cursor: %s\n",
2852 progname, strerror(errno));
2856 rc = llapi_layout_comp_extent_get(layout, &start, &end);
2858 fprintf(stderr, "%s setstripe: cannot get extent: %s\n",
2859 progname, strerror(errno));
2863 if (start == 0 && end == 0) {
2864 rc = layout_extend_comp(layout, start, &end,
2865 comp_add ? prev_end : 0);
2870 if (start > prev_end || end < prev_end) {
2871 fprintf(stderr, "%s setstripe: first extent [%lu, %lu) not "
2872 "adjacent with extent end %lu\n",
2873 progname, start, end, prev_end);
2877 rc = llapi_layout_comp_extent_set(layout, prev_end, end);
2879 fprintf(stderr, "%s setstripe: cannot set component extent "
2881 progname, prev_end, end, strerror(errno));
2888 static int mirror_adjust_first_extents(struct mirror_args *list)
2895 while (list != NULL) {
2896 rc = layout_adjust_first_extent(NULL, list->m_layout, false);
2899 list = list->m_next;
2905 static inline bool arg_is_eof(char *arg)
2907 return !strncmp(arg, "-1", strlen("-1")) ||
2908 !strncmp(arg, "EOF", strlen("EOF")) ||
2909 !strncmp(arg, "eof", strlen("eof"));
2913 * lfs_mirror_alloc() - Allocate a mirror argument structure.
2915 * Return: Valid mirror_args pointer on success and
2916 * NULL if memory allocation fails.
2918 static struct mirror_args *lfs_mirror_alloc(void)
2920 struct mirror_args *mirror = NULL;
2923 mirror = calloc(1, sizeof(*mirror));
2934 * lfs_mirror_free() - Free memory allocated for a mirror argument
2936 * @mirror: Previously allocated mirror argument structure by
2937 * lfs_mirror_alloc().
2939 * Free memory allocated for @mirror.
2943 static void lfs_mirror_free(struct mirror_args *mirror)
2945 if (mirror->m_layout != NULL)
2946 llapi_layout_free(mirror->m_layout);
2951 * lfs_mirror_list_free() - Free memory allocated for a mirror list.
2952 * @mirror_list: Previously allocated mirror list.
2954 * Free memory allocated for @mirror_list.
2958 static void lfs_mirror_list_free(struct mirror_args *mirror_list)
2960 struct mirror_args *next_mirror = NULL;
2962 while (mirror_list != NULL) {
2963 next_mirror = mirror_list->m_next;
2964 lfs_mirror_free(mirror_list);
2965 mirror_list = next_mirror;
2977 LFS_COMP_NO_VERIFY_OPT,
2979 LFS_LAYOUT_FLAGS_OPT, /* used for mirror and foreign flags */
2981 LFS_MIRROR_STATE_OPT,
2983 LFS_MIRROR_INDEX_OPT,
2984 LFS_LAYOUT_FOREIGN_OPT,
2990 static int lfs_setstripe_internal(int argc, char **argv,
2991 enum setstripe_origin opc)
2993 struct lfs_setstripe_args lsa = { 0 };
2994 struct llapi_stripe_param *param = NULL;
2995 struct find_param migrate_mdt_param = {
3005 unsigned long long size_units = 1;
3006 bool migrate_mode = false;
3007 bool migrate_mdt_mode = false;
3008 bool setstripe_mode = false;
3009 bool migration_block = false;
3010 __u64 migration_flags = 0;
3011 __u32 tgts[LOV_MAX_STRIPE_COUNT] = { 0 };
3012 int comp_del = 0, comp_set = 0;
3015 struct llapi_layout *layout = NULL;
3016 struct llapi_layout **lpp = &layout;
3017 bool mirror_mode = false;
3018 bool has_m_file = false;
3019 __u32 mirror_count = 0;
3020 enum mirror_flags mirror_flags = 0;
3021 struct mirror_args *mirror_list = NULL;
3022 struct mirror_args *new_mirror = NULL;
3023 struct mirror_args *last_mirror = NULL;
3024 __u16 mirror_id = 0;
3026 bool from_yaml = false;
3027 bool from_copy = false;
3028 char *template = NULL;
3029 bool foreign_mode = false;
3031 uint32_t type = LU_FOREIGN_TYPE_NONE, flags = 0;
3032 char *mode_opt = NULL;
3033 mode_t previous_umask = 0;
3034 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
3036 struct option long_opts[] = {
3037 /* find { .val = '0', .name = "null", .has_arg = no_argument }, */
3038 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
3039 /* --block is only valid in migrate mode */
3040 { .val = 'b', .name = "block", .has_arg = no_argument },
3041 { .val = LFS_COMP_ADD_OPT,
3042 .name = "comp-add", .has_arg = no_argument },
3043 { .val = LFS_COMP_ADD_OPT,
3044 .name = "component-add", .has_arg = no_argument },
3045 { .val = LFS_COMP_DEL_OPT,
3046 .name = "comp-del", .has_arg = no_argument },
3047 { .val = LFS_COMP_DEL_OPT,
3048 .name = "component-del", .has_arg = no_argument },
3049 { .val = LFS_COMP_FLAGS_OPT,
3050 .name = "comp-flags", .has_arg = required_argument },
3051 { .val = LFS_COMP_FLAGS_OPT,
3052 .name = "component-flags",
3053 .has_arg = required_argument },
3054 { .val = LFS_COMP_SET_OPT,
3055 .name = "comp-set", .has_arg = no_argument },
3056 { .val = LFS_COMP_SET_OPT,
3057 .name = "component-set",
3058 .has_arg = no_argument},
3059 { .val = LFS_COMP_NO_VERIFY_OPT,
3060 .name = "no-verify", .has_arg = no_argument},
3061 { .val = LFS_LAYOUT_FLAGS_OPT,
3062 .name = "flags", .has_arg = required_argument},
3063 { .val = LFS_LAYOUT_FOREIGN_OPT,
3064 .name = "foreign", .has_arg = optional_argument},
3065 { .val = LFS_MIRROR_ID_OPT,
3066 .name = "mirror-id", .has_arg = required_argument},
3067 { .val = LFS_MODE_OPT,
3068 .name = "mode", .has_arg = required_argument},
3069 { .val = LFS_LAYOUT_COPY,
3070 .name = "copy", .has_arg = required_argument},
3071 { .val = 'c', .name = "stripe-count", .has_arg = required_argument},
3072 { .val = 'c', .name = "stripe_count", .has_arg = required_argument},
3073 { .val = 'c', .name = "mdt-count", .has_arg = required_argument},
3074 { .val = 'C', .name = "overstripe-count",
3075 .has_arg = required_argument},
3076 { .val = 'd', .name = "delete", .has_arg = no_argument},
3077 { .val = 'd', .name = "destroy", .has_arg = no_argument},
3078 /* --non-direct is only valid in migrate mode */
3079 { .val = 'D', .name = "non-direct", .has_arg = no_argument },
3080 { .val = 'E', .name = "comp-end", .has_arg = required_argument},
3081 { .val = 'E', .name = "component-end",
3082 .has_arg = required_argument},
3083 { .val = 'f', .name = "file", .has_arg = required_argument },
3084 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
3085 /* find { .val = 'g', .name = "gid", .has_arg = no_argument }, */
3086 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
3087 /* find { .val = 'h', .name = "help", .has_arg = no_argument }, */
3088 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument},
3089 { .val = 'i', .name = "stripe-index", .has_arg = required_argument},
3090 { .val = 'i', .name = "stripe_index", .has_arg = required_argument},
3091 { .val = 'I', .name = "comp-id", .has_arg = required_argument},
3092 { .val = 'I', .name = "component-id", .has_arg = required_argument},
3093 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
3094 { .val = 'L', .name = "layout", .has_arg = required_argument },
3095 { .val = 'm', .name = "mdt", .has_arg = required_argument},
3096 { .val = 'm', .name = "mdt-index", .has_arg = required_argument},
3097 { .val = 'm', .name = "mdt_index", .has_arg = required_argument},
3098 /* --non-block is only valid in migrate mode */
3099 { .val = 'n', .name = "non-block", .has_arg = no_argument },
3100 { .val = 'N', .name = "mirror-count", .has_arg = optional_argument},
3101 { .val = 'o', .name = "ost", .has_arg = required_argument },
3102 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3103 { .val = 'o', .name = "ost-list", .has_arg = required_argument },
3104 { .val = 'o', .name = "ost_list", .has_arg = required_argument },
3106 { .val = 'p', .name = "pool", .has_arg = required_argument },
3107 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
3108 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
3109 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
3110 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
3111 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
3112 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
3113 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
3114 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
3115 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
3116 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
3117 /* --verbose is only valid in migrate mode */
3118 { .val = 'v', .name = "verbose", .has_arg = no_argument},
3119 { .val = 'x', .name = "xattr", .has_arg = required_argument },
3120 { .val = 'y', .name = "yaml", .has_arg = required_argument },
3121 { .val = 'z', .name = "ext-size", .has_arg = required_argument},
3122 { .val = 'z', .name = "extension-size", .has_arg = required_argument},
3125 setstripe_args_init(&lsa);
3127 migrate_mode = (opc == SO_MIGRATE);
3128 mirror_mode = (opc == SO_MIRROR_CREATE || opc == SO_MIRROR_EXTEND);
3129 setstripe_mode = (opc == SO_SETSTRIPE);
3130 if (opc == SO_MIRROR_DELETE) {
3132 mirror_flags = MF_DESTROY;
3135 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
3137 while ((c = getopt_long(argc, argv,
3138 "bc:C:dDE:f:H:i:I:m:N::no:p:L:s:S:vx:y:z:",
3139 long_opts, NULL)) >= 0) {
3145 case LFS_COMP_ADD_OPT:
3148 case LFS_COMP_DEL_OPT:
3151 case LFS_COMP_FLAGS_OPT:
3152 result = comp_str2flags(optarg, &lsa.lsa_comp_flags,
3153 &lsa.lsa_comp_neg_flags);
3156 if (mirror_mode && lsa.lsa_comp_neg_flags) {
3157 fprintf(stderr, "%s: inverted flags are not supported\n",
3162 case LFS_COMP_SET_OPT:
3165 case LFS_COMP_NO_VERIFY_OPT:
3166 mirror_flags |= MF_NO_VERIFY;
3168 case LFS_MIRROR_ID_OPT:
3169 mirror_id = strtoul(optarg, &end, 0);
3170 if (*end != '\0' || mirror_id == 0) {
3172 "%s %s: invalid mirror ID '%s'\n",
3173 progname, argv[0], optarg);
3177 case LFS_LAYOUT_FLAGS_OPT: {
3180 /* check for numeric flags (foreign and mirror cases) */
3181 if (setstripe_mode && !mirror_mode && !last_mirror) {
3182 flags = strtoul(optarg, &end, 16);
3185 "%s %s: bad flags '%s'\n",
3186 progname, argv[0], optarg);
3192 if (!mirror_mode || !last_mirror) {
3193 fprintf(stderr, "error: %s: --flags must be specified with --mirror-count|-N option\n",
3198 result = comp_str2flags(optarg, &last_mirror->m_flags,
3204 fprintf(stderr, "%s: inverted flags are not supported\n",
3209 if (last_mirror->m_flags & ~LCME_USER_MIRROR_FLAGS) {
3211 "%s: unsupported mirror flags: %s\n",
3218 case LFS_LAYOUT_FOREIGN_OPT:
3219 if (optarg != NULL) {
3220 /* check pure numeric */
3221 type = strtoul(optarg, &end, 0);
3224 type = check_foreign_type_name(optarg);
3225 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
3227 "%s %s: unrecognized foreign type '%s'\n",
3234 foreign_mode = true;
3238 if (mode_opt != NULL) {
3239 mode = strtoul(mode_opt, &end, 8);
3242 "%s %s: bad mode '%s'\n",
3243 progname, argv[0], mode_opt);
3246 previous_umask = umask(0);
3249 case LFS_LAYOUT_COPY:
3254 if (!migrate_mode) {
3256 "%s %s: -b|--block valid only for migrate command\n",
3260 migration_block = true;
3263 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3265 "%s %s: -C|--overstripe-count incompatible with DoM layout\n",
3269 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3272 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
3275 "%s %s: invalid stripe count '%s'\n",
3276 progname, argv[0], optarg);
3280 if (lsa.lsa_stripe_count == -1)
3281 lsa.lsa_stripe_count = LLAPI_LAYOUT_WIDE;
3284 /* delete the default striping pattern */
3286 if (opc == SO_MIRROR_SPLIT) {
3289 "%s %s: -d cannot used with -f\n",
3293 mirror_flags |= MF_DESTROY;
3297 if (!migrate_mode) {
3299 "%s %s: -D|--non-direct is valid "
3300 "only for migrate command\n",
3304 migration_flags |= MIGRATION_NONDIRECT;
3307 if (lsa.lsa_comp_end != 0) {
3308 result = comp_args_to_layout(lpp, &lsa, true);
3310 fprintf(stderr, "%s: invalid layout\n",
3315 setstripe_args_init_inherit(&lsa);
3318 if (arg_is_eof(optarg)) {
3319 lsa.lsa_comp_end = LUSTRE_EOF;
3321 result = llapi_parse_size(optarg,
3326 "%s %s: invalid component end '%s'\n",
3327 progname, argv[0], optarg);
3333 if (!migrate_mode) {
3334 fprintf(stderr, "--mdt-hash is valid only for migrate command\n");
3338 lsa.lsa_pattern = check_hashtype(optarg);
3339 if (lsa.lsa_pattern == 0) {
3341 "%s %s: bad stripe hash type '%s'\n",
3342 progname, argv[0], optarg);
3347 lsa.lsa_stripe_off = strtol(optarg, &end, 0);
3350 "%s %s: invalid stripe offset '%s'\n",
3351 progname, argv[0], optarg);
3354 if (lsa.lsa_stripe_off == -1)
3355 lsa.lsa_stripe_off = LLAPI_LAYOUT_DEFAULT;
3358 comp_id = strtoul(optarg, &end, 0);
3359 if (*end != '\0' || comp_id == 0 ||
3360 comp_id > LCME_ID_MAX) {
3362 "%s %s: invalid component ID '%s'\n",
3363 progname, argv[0], optarg);
3368 if (opc != SO_MIRROR_EXTEND && opc != SO_MIRROR_SPLIT) {
3370 "error: %s: invalid option: %s\n",
3371 progname, argv[optopt + 1]);
3374 if (opc == SO_MIRROR_EXTEND) {
3375 if (last_mirror == NULL) {
3377 "error: %s: '-N' must exist in front of '%s'\n",
3378 progname, argv[optopt + 1]);
3381 last_mirror->m_file = optarg;
3382 last_mirror->m_count = 1;
3385 if (mirror_list == NULL)
3386 mirror_list = lfs_mirror_alloc();
3387 mirror_list->m_file = optarg;
3392 if (strcmp(argv[optind - 1], "mdt") == 0) {
3393 /* Can be only the first component */
3394 if (layout != NULL) {
3396 fprintf(stderr, "error: 'mdt' layout "
3397 "can be only the first one\n");
3400 if (lsa.lsa_comp_end > (1ULL << 30)) { /* 1Gb */
3402 fprintf(stderr, "error: 'mdt' layout "
3403 "size is too big\n");
3406 lsa.lsa_pattern = LLAPI_LAYOUT_MDT;
3407 } else if (strcmp(argv[optind - 1], "raid0") != 0) {
3409 fprintf(stderr, "error: layout '%s' is "
3410 "unknown, supported layouts are: "
3411 "'mdt', 'raid0'\n", argv[optind]);
3416 if (!migrate_mode) {
3418 "%s %s: -m|--mdt-index is valid only for migrate command\n",
3422 migrate_mdt_mode = true;
3423 lsa.lsa_nr_tgts = parse_targets(tgts,
3424 sizeof(tgts) / sizeof(__u32),
3425 lsa.lsa_nr_tgts, optarg, NULL);
3426 if (lsa.lsa_nr_tgts < 0) {
3428 "%s %s: invalid MDT target(s) '%s'\n",
3429 progname, argv[0], optarg);
3433 lsa.lsa_tgts = tgts;
3434 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3435 lsa.lsa_stripe_off = tgts[0];
3438 if (!migrate_mode) {
3440 "%s %s: -n|--non-block valid only for migrate command\n",
3444 migration_flags |= MIGRATION_NONBLOCK;
3447 if (opc == SO_SETSTRIPE) {
3448 opc = SO_MIRROR_CREATE;
3452 if (optarg != NULL) {
3453 mirror_count = strtoul(optarg, &end, 0);
3454 if (*end != '\0' || mirror_count == 0) {
3456 "error: %s: bad mirror count: %s\n",
3463 new_mirror = lfs_mirror_alloc();
3464 new_mirror->m_count = mirror_count;
3466 if (mirror_list == NULL)
3467 mirror_list = new_mirror;
3469 if (last_mirror != NULL) {
3470 /* wrap up last mirror */
3471 if (lsa.lsa_comp_end == 0)
3472 lsa.lsa_comp_end = LUSTRE_EOF;
3474 result = comp_args_to_layout(lpp, &lsa, true);
3476 lfs_mirror_free(new_mirror);
3480 setstripe_args_init_inherit(&lsa);
3482 last_mirror->m_next = new_mirror;
3485 last_mirror = new_mirror;
3486 lpp = &last_mirror->m_layout;
3489 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
3490 if (strcmp(argv[optind - 1], "--ost-list") == 0)
3491 fprintf(stderr, "warning: '--ost-list' is "
3492 "deprecated, use '--ost' instead\n");
3494 if (lsa.lsa_pattern == LLAPI_LAYOUT_MDT) {
3496 "%s %s: -o|--ost incompatible with DoM layout\n",
3500 /* -o allows overstriping, and must note it because
3501 * parse_targets is shared with MDT striping, which
3502 * does not allow duplicates
3504 lsa.lsa_pattern = LLAPI_LAYOUT_OVERSTRIPING;
3505 lsa.lsa_nr_tgts = parse_targets(tgts,
3506 sizeof(tgts) / sizeof(__u32),
3507 lsa.lsa_nr_tgts, optarg,
3509 if (lsa.lsa_nr_tgts < 0) {
3511 "%s %s: invalid OST target(s) '%s'\n",
3512 progname, argv[0], optarg);
3516 lsa.lsa_tgts = tgts;
3517 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3518 lsa.lsa_stripe_off = tgts[0];
3523 lsa.lsa_pool_name = optarg;
3525 if (strlen(lsa.lsa_pool_name) == 0 ||
3526 strncmp(lsa.lsa_pool_name, "none",
3527 LOV_MAXPOOLNAME) == 0)
3528 lsa.lsa_pool_name = NULL;
3531 result = llapi_parse_size(optarg, &lsa.lsa_stripe_size,
3535 "%s %s: invalid stripe size '%s'\n",
3536 progname, argv[0], optarg);
3541 if (!migrate_mode) {
3543 "%s %s: -v|--verbose valid only for migrate command\n",
3547 migrate_mdt_param.fp_verbose = VERBOSE_DETAIL;
3548 migration_flags = MIGRATION_VERBOSE;
3558 result = llapi_parse_size(optarg,
3559 &lsa.lsa_extension_size,
3563 "%s %s: invalid extension size '%s'\n",
3564 progname, argv[0], optarg);
3568 lsa.lsa_extension_comp = true;
3571 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
3572 progname, argv[0], argv[optind - 1]);
3577 fname = argv[optind];
3579 if (optind == argc) {
3580 fprintf(stderr, "%s %s: FILE must be specified\n",
3585 /* lfs migrate $filename should keep the file's layout by default */
3586 if (migrate_mode && !setstripe_args_specified(&lsa) && !layout &&
3590 if (xattr && !foreign_mode) {
3591 /* only print a warning as this is harmless and will be ignored
3594 "%s %s: xattr has been specified for non-foreign layout\n",
3596 } else if (foreign_mode && !xattr) {
3598 "%s %s: xattr must be provided in foreign mode\n",
3603 if (foreign_mode && (!setstripe_mode || comp_add | comp_del ||
3604 comp_set || comp_id || delete || from_copy ||
3605 setstripe_args_specified(&lsa) || lsa.lsa_nr_tgts ||
3608 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
3613 if (mirror_mode && mirror_count == 0) {
3615 "error: %s: --mirror-count|-N option is required\n",
3622 if (lsa.lsa_comp_end == 0)
3623 lsa.lsa_comp_end = LUSTRE_EOF;
3626 if (lsa.lsa_comp_end != 0) {
3627 result = comp_args_to_layout(lpp, &lsa, true);
3629 fprintf(stderr, "error: %s: invalid layout\n",
3636 if (mirror_flags & MF_NO_VERIFY) {
3637 if (opc != SO_MIRROR_EXTEND) {
3639 "error: %s: --no-verify is valid only for lfs mirror extend command\n",
3643 } else if (!has_m_file) {
3645 "error: %s: --no-verify must be specified with -f <victim_file> option\n",
3652 if (comp_set && !comp_id) {
3653 fprintf(stderr, "%s %s: --component-set doesn't have component-id set\n",
3658 if ((delete + comp_set + comp_del + comp_add) > 1) {
3660 "%s %s: options --component-set, --component-del, --component-add and -d are mutually exclusive\n",
3665 if (delete && (setstripe_args_specified(&lsa) || comp_id != 0 ||
3666 lsa.lsa_comp_flags != 0 || layout != NULL)) {
3668 "%s %s: option -d is mutually exclusive with -s, -c, -o, -p, -I, -F and -E options\n",
3673 if ((comp_set || comp_del) &&
3674 (setstripe_args_specified(&lsa) || layout != NULL)) {
3676 "%s %s: options --component-del and --component-set are mutually exclusive when used with -c, -E, -o, -p, or -s\n",
3681 if (comp_del && comp_id != 0 && lsa.lsa_comp_flags != 0) {
3683 "%s %s: options -I and -F are mutually exclusive when used with --component-del\n",
3688 if (comp_add || comp_del) {
3691 result = lstat(fname, &st);
3692 if (result == 0 && S_ISDIR(st.st_mode)) {
3694 "%s setstripe: cannot use --component-add or --component-del for directory\n",
3700 fprintf(stderr, "error: %s: can't use --component-add "
3701 "or --component-del for mirror operation\n",
3708 if (layout == NULL) {
3710 "%s %s: option -E must be specified with --component-add\n",
3716 if (layout != NULL || mirror_list != NULL) {
3718 result = mirror_adjust_first_extents(mirror_list);
3720 result = layout_adjust_first_extent(fname, layout,
3722 if (result == -ENODATA)
3724 else if (result != 0) {
3725 fprintf(stderr, "error: %s: invalid layout\n",
3731 if (from_yaml && from_copy) {
3733 "%s: can't specify --yaml and --copy together\n",
3738 if ((from_yaml || from_copy) &&
3739 (setstripe_args_specified(&lsa) || layout != NULL)) {
3740 fprintf(stderr, "error: %s: can't specify --yaml or --copy with"
3741 " -c, -S, -i, -o, -p or -E options.\n",
3746 if ((migration_flags & MIGRATION_NONBLOCK) && migration_block) {
3748 "%s %s: options --non-block and --block are mutually exclusive\n",
3753 if (!comp_del && !comp_set && opc != SO_MIRROR_SPLIT &&
3754 opc != SO_MIRROR_DELETE && comp_id != 0) {
3756 "%s: option -I can only be used with --component-del or --component-set or lfs mirror split\n",
3761 if (migrate_mdt_mode) {
3762 struct lmv_user_md *lmu;
3764 /* initialize migrate mdt parameters */
3765 lmu = calloc(1, lmv_user_md_size(lsa.lsa_nr_tgts,
3766 LMV_USER_MAGIC_SPECIFIC));
3769 "%s %s: cannot allocate memory for lmv_user_md: %s\n",
3770 progname, argv[0], strerror(ENOMEM));
3774 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
3775 lmu->lum_stripe_count = lsa.lsa_stripe_count;
3776 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT) {
3778 "%s %s: migrate should specify MDT index\n",
3783 lmu->lum_stripe_offset = lsa.lsa_stripe_off;
3784 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
3785 lmu->lum_hash_type = lsa.lsa_pattern;
3787 lmu->lum_hash_type = LMV_HASH_TYPE_DEFAULT;
3788 if (lsa.lsa_pool_name) {
3789 strncpy(lmu->lum_pool_name, lsa.lsa_pool_name,
3790 sizeof(lmu->lum_pool_name) - 1);
3791 lmu->lum_pool_name[sizeof(lmu->lum_pool_name) - 1] = 0;
3793 if (lsa.lsa_nr_tgts > 1) {
3796 if (lsa.lsa_stripe_count > 0 &&
3797 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3798 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
3800 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
3801 progname, lsa.lsa_stripe_count,
3807 lmu->lum_magic = LMV_USER_MAGIC_SPECIFIC;
3808 lmu->lum_stripe_count = lsa.lsa_nr_tgts;
3809 for (i = 0; i < lsa.lsa_nr_tgts; i++)
3810 lmu->lum_objects[i].lum_mds = lsa.lsa_tgts[i];
3812 lmu->lum_magic = LMV_USER_MAGIC;
3815 migrate_mdt_param.fp_lmv_md = lmu;
3816 migrate_mdt_param.fp_migrate = 1;
3817 } else if (layout == NULL) {
3818 /* initialize stripe parameters */
3819 param = calloc(1, offsetof(typeof(*param),
3820 lsp_osts[lsa.lsa_nr_tgts]));
3821 if (param == NULL) {
3823 "%s %s: cannot allocate memory for parameters: %s\n",
3824 progname, argv[0], strerror(ENOMEM));
3829 if (lsa.lsa_stripe_size != LLAPI_LAYOUT_DEFAULT)
3830 param->lsp_stripe_size = lsa.lsa_stripe_size;
3831 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT) {
3832 if (lsa.lsa_stripe_count == LLAPI_LAYOUT_WIDE)
3833 param->lsp_stripe_count = -1;
3835 param->lsp_stripe_count = lsa.lsa_stripe_count;
3837 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
3838 param->lsp_stripe_offset = -1;
3840 param->lsp_stripe_offset = lsa.lsa_stripe_off;
3841 param->lsp_stripe_pattern =
3842 llapi_pattern_to_lov(lsa.lsa_pattern);
3843 if (param->lsp_stripe_pattern == EINVAL) {
3844 fprintf(stderr, "error: %s: invalid stripe pattern\n",
3849 param->lsp_pool = lsa.lsa_pool_name;
3850 param->lsp_is_specific = false;
3851 if (lsa.lsa_nr_tgts > 0) {
3852 if (lsa.lsa_stripe_count > 0 &&
3853 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
3854 lsa.lsa_stripe_count != LLAPI_LAYOUT_WIDE &&
3855 lsa.lsa_nr_tgts != lsa.lsa_stripe_count) {
3857 "error: %s: stripe count %lld doesn't match the number of OSTs: %d\n",
3858 argv[0], lsa.lsa_stripe_count,
3864 param->lsp_is_specific = true;
3865 param->lsp_stripe_count = lsa.lsa_nr_tgts;
3866 memcpy(param->lsp_osts, tgts,
3867 sizeof(*tgts) * lsa.lsa_nr_tgts);
3872 /* generate a layout from a YAML template */
3873 result = lfs_comp_create_from_yaml(template, &layout,
3876 fprintf(stderr, "error: %s: can't create composite "
3877 "layout from template file %s\n",
3883 for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
3885 layout = llapi_layout_get_by_path(template ?: fname, 0);
3886 if (layout == NULL) {
3887 fprintf(stderr, "%s: can't create composite "
3888 "layout from file %s.\n",
3889 progname, template ?: fname);
3894 if (migrate_mdt_mode) {
3895 result = llapi_migrate_mdt(fname, &migrate_mdt_param);
3896 } else if (migrate_mode) {
3897 result = lfs_migrate(fname, migration_flags, param,
3899 } else if (comp_set != 0) {
3900 result = lfs_component_set(fname, comp_id,
3902 lsa.lsa_comp_neg_flags);
3903 } else if (comp_del != 0) {
3904 result = lfs_component_del(fname, comp_id,
3906 lsa.lsa_comp_neg_flags);
3907 } else if (comp_add != 0) {
3908 result = lfs_component_add(fname, layout);
3909 } else if (opc == SO_MIRROR_CREATE) {
3910 result = mirror_create(fname, mirror_list);
3911 } else if (opc == SO_MIRROR_EXTEND) {
3912 result = mirror_extend(fname, mirror_list,
3914 } else if (opc == SO_MIRROR_SPLIT || opc == SO_MIRROR_DELETE) {
3915 if (!mirror_id && !comp_id && !lsa.lsa_pool_name) {
3917 "%s: no mirror specified to delete from '%s'\n",
3921 if (lsa.lsa_pool_name)
3922 mirror_flags |= MF_COMP_POOL;
3923 else if (mirror_id != 0)
3924 comp_id = mirror_id;
3926 mirror_flags |= MF_COMP_ID;
3927 result = mirror_split(fname, comp_id, lsa.lsa_pool_name,
3929 has_m_file ? mirror_list->m_file :
3931 } else if (layout != NULL) {
3932 result = lfs_component_create(fname, O_CREAT | O_WRONLY,
3938 } else if (foreign_mode) {
3939 result = llapi_file_create_foreign(fname, mode, type,
3946 result = llapi_file_open_param(fname,
3955 /* Save the first error encountered. */
3962 if (mode_opt != NULL)
3963 umask(previous_umask);
3966 free(migrate_mdt_param.fp_lmv_md);
3967 llapi_layout_free(layout);
3968 lfs_mirror_list_free(mirror_list);
3973 llapi_layout_free(layout);
3974 lfs_mirror_list_free(mirror_list);
3978 static int lfs_poollist(int argc, char **argv)
3983 return llapi_poollist(argv[1]);
3986 static time_t set_time(struct find_param *param, time_t *time, time_t *set,
3991 char *endptr = "AD";
3996 else if (str[0] == '-')
4002 for (timebuf = str; *endptr && *(endptr + 1); timebuf = endptr + 1) {
4003 long long val = strtoll(timebuf, &endptr, 0);
4008 unit *= 52; /* 52 weeks + 1 day below */
4009 case 'w': /* fallthrough */
4011 case '\0': /* days are default unit if none used */
4012 case 'd': /* fallthrough */
4013 unit = (unit + (*endptr == 'y')) * 24;
4014 case 'h': /* fallthrough */
4016 case 'm': /* fallthrough */
4018 case 's': /* fallthrough */
4020 /* don't need to multiply by 1 for seconds */
4023 "%s find: bad time string '%s': %s\n",
4024 progname, timebuf, strerror(EINVAL));
4028 if (param->fp_time_margin == 0 ||
4029 (*endptr && unit < param->fp_time_margin))
4030 param->fp_time_margin = unit;
4037 fprintf(stderr, "%s find: bad time '%s': too large\n",
4047 static int name2uid(unsigned int *id, const char *name)
4049 struct passwd *passwd;
4051 passwd = getpwnam(name);
4054 *id = passwd->pw_uid;
4059 static int name2gid(unsigned int *id, const char *name)
4061 struct group *group;
4063 group = getgrnam(name);
4066 *id = group->gr_gid;
4071 static inline int name2projid(unsigned int *id, const char *name)
4076 static int uid2name(char **name, unsigned int id)
4078 struct passwd *passwd;
4080 passwd = getpwuid(id);
4083 *name = passwd->pw_name;
4088 static inline int gid2name(char **name, unsigned int id)
4090 struct group *group;
4092 group = getgrgid(id);
4095 *name = group->gr_name;
4100 static int name2layout(__u32 *layout, char *name)
4102 char *ptr, *layout_name;
4105 for (ptr = name; ; ptr = NULL) {
4106 layout_name = strtok(ptr, ",");
4107 if (layout_name == NULL)
4109 if (strcmp(layout_name, "released") == 0)
4110 *layout |= LOV_PATTERN_F_RELEASED;
4111 else if (strcmp(layout_name, "raid0") == 0)
4112 *layout |= LOV_PATTERN_RAID0;
4113 else if (strcmp(layout_name, "mdt") == 0)
4114 *layout |= LOV_PATTERN_MDT;
4115 else if (strcmp(layout_name, "overstriping") == 0)
4116 *layout |= LOV_PATTERN_OVERSTRIPING;
4123 static int lfs_find(int argc, char **argv)
4128 struct find_param param = {
4131 .fp_time_margin = 24 * 60 * 60,
4133 struct option long_opts[] = {
4134 { .val = 'A', .name = "atime", .has_arg = required_argument },
4135 { .val = 'b', .name = "blocks", .has_arg = required_argument },
4136 { .val = LFS_COMP_COUNT_OPT,
4137 .name = "comp-count", .has_arg = required_argument },
4138 { .val = LFS_COMP_COUNT_OPT,
4139 .name = "component-count",
4140 .has_arg = required_argument },
4141 { .val = LFS_COMP_FLAGS_OPT,
4142 .name = "comp-flags", .has_arg = required_argument },
4143 { .val = LFS_COMP_FLAGS_OPT,
4144 .name = "component-flags",
4145 .has_arg = required_argument },
4146 { .val = LFS_COMP_START_OPT,
4147 .name = "comp-start", .has_arg = required_argument },
4148 { .val = LFS_COMP_START_OPT,
4149 .name = "component-start",
4150 .has_arg = required_argument },
4151 { .val = LFS_MIRROR_STATE_OPT,
4152 .name = "mirror-state", .has_arg = required_argument },
4153 { .val = LFS_LAYOUT_FOREIGN_OPT,
4154 .name = "foreign", .has_arg = optional_argument},
4155 { .val = LFS_NEWERXY_OPT,
4156 .name = "newer", .has_arg = required_argument},
4157 { .val = LFS_NEWERXY_OPT,
4158 .name = "neweraa", .has_arg = required_argument},
4159 { .val = LFS_NEWERXY_OPT,
4160 .name = "neweram", .has_arg = required_argument},
4161 { .val = LFS_NEWERXY_OPT,
4162 .name = "newerac", .has_arg = required_argument},
4163 { .val = LFS_NEWERXY_OPT,
4164 .name = "newerma", .has_arg = required_argument},
4165 { .val = LFS_NEWERXY_OPT,
4166 .name = "newermm", .has_arg = required_argument},
4167 { .val = LFS_NEWERXY_OPT,
4168 .name = "newermc", .has_arg = required_argument},
4169 { .val = LFS_NEWERXY_OPT,
4170 .name = "newerca", .has_arg = required_argument},
4171 { .val = LFS_NEWERXY_OPT,
4172 .name = "newercm", .has_arg = required_argument},
4173 { .val = LFS_NEWERXY_OPT,
4174 .name = "newercc", .has_arg = required_argument},
4175 { .val = LFS_NEWERXY_OPT,
4176 .name = "newerat", .has_arg = required_argument},
4177 { .val = LFS_NEWERXY_OPT,
4178 .name = "newermt", .has_arg = required_argument},
4179 { .val = LFS_NEWERXY_OPT,
4180 .name = "newerct", .has_arg = required_argument},
4181 { .val = 'c', .name = "stripe-count", .has_arg = required_argument },
4182 { .val = 'c', .name = "stripe_count", .has_arg = required_argument },
4183 { .val = 'C', .name = "ctime", .has_arg = required_argument },
4184 /* getstripe { .val = 'd', .name = "directory", .has_arg = no_argument }, */
4185 { .val = 'D', .name = "maxdepth", .has_arg = required_argument },
4186 { .val = 'E', .name = "comp-end", .has_arg = required_argument },
4187 { .val = 'E', .name = "component-end",
4188 .has_arg = required_argument },
4189 /* find { .val = 'F', .name = "fid", .has_arg = no_argument }, */
4190 { .val = LFS_LAYOUT_FOREIGN_OPT,
4191 .name = "foreign", .has_arg = optional_argument},
4192 { .val = 'g', .name = "gid", .has_arg = required_argument },
4193 { .val = 'G', .name = "group", .has_arg = required_argument },
4194 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
4195 { .val = 'i', .name = "stripe-index", .has_arg = required_argument },
4196 { .val = 'i', .name = "stripe_index", .has_arg = required_argument },
4197 /* getstripe { .val = 'I', .name = "comp-id", .has_arg = required_argument }*/
4198 { .val = 'l', .name = "lazy", .has_arg = no_argument },
4199 { .val = 'L', .name = "layout", .has_arg = required_argument },
4200 { .val = 'm', .name = "mdt", .has_arg = required_argument },
4201 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
4202 { .val = 'm', .name = "mdt_index", .has_arg = required_argument },
4203 { .val = 'M', .name = "mtime", .has_arg = required_argument },
4204 { .val = 'n', .name = "name", .has_arg = required_argument },
4205 { .val = 'N', .name = "mirror-count", .has_arg = required_argument },
4206 /* find { .val = 'o' .name = "or", .has_arg = no_argument }, like find(1) */
4207 { .val = 'O', .name = "obd", .has_arg = required_argument },
4208 { .val = 'O', .name = "ost", .has_arg = required_argument },
4209 /* no short option for pool yet, can be 'p' after 2.18 */
4210 { .val = LFS_POOL_OPT,
4211 .name = "pool", .has_arg = required_argument },
4212 { .val = '0', .name = "print0", .has_arg = no_argument },
4213 { .val = 'P', .name = "print", .has_arg = no_argument },
4214 { .val = LFS_PROJID_OPT,
4215 .name = "projid", .has_arg = required_argument },
4216 /* getstripe { .val = 'q', .name = "quiet", .has_arg = no_argument }, */
4217 /* getstripe { .val = 'r', .name = "recursive", .has_arg = no_argument }, */
4218 /* getstripe { .val = 'R', .name = "raw", .has_arg = no_argument }, */
4219 { .val = 's', .name = "size", .has_arg = required_argument },
4220 { .val = 'S', .name = "stripe-size", .has_arg = required_argument },
4221 { .val = 'S', .name = "stripe_size", .has_arg = required_argument },
4222 { .val = 't', .name = "type", .has_arg = required_argument },
4223 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
4224 { .val = 'u', .name = "uid", .has_arg = required_argument },
4225 { .val = 'U', .name = "user", .has_arg = required_argument },
4226 { .val = 'z', .name = "extension-size",
4227 .has_arg = required_argument },
4228 { .val = 'z', .name = "ext-size", .has_arg = required_argument },
4229 /* getstripe { .val = 'v', .name = "verbose", .has_arg = no_argument }, */
4230 /* getstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
4244 /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
4245 while ((c = getopt_long_only(argc, argv,
4246 "-0A:b:c:C:D:E:g:G:H:i:L:m:M:n:N:O:Ppqrs:S:t:T:u:U:vz:",
4247 long_opts, &optidx)) >= 0) {
4252 /* '!' is part of option */
4253 /* when getopt_long_only() finds a string which is not
4254 * an option nor a known option argument it returns 1
4255 * in that case if we already have found pathstart and pathend
4256 * (i.e. we have the list of pathnames),
4257 * the only supported value is "!"
4259 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
4260 if (!isoption && pathend != -1) {
4261 fprintf(stderr, "err: %s: filename|dirname must either "
4262 "precede options or follow options\n",
4267 if (!isoption && pathstart == -1)
4268 pathstart = optind - 1;
4269 if (isoption && pathstart != -1 && pathend == -1)
4270 pathend = optind - 2;
4276 /* unknown; opt is "!" or path component,
4277 * checking done above.
4279 if (strcmp(optarg, "!") == 0)
4283 xtime = ¶m.fp_atime;
4284 xsign = ¶m.fp_asign;
4285 param.fp_exclude_atime = !!neg_opt;
4286 /* no break, this falls through to 'C' for ctime */
4289 xtime = ¶m.fp_ctime;
4290 xsign = ¶m.fp_csign;
4291 param.fp_exclude_ctime = !!neg_opt;
4293 /* no break, this falls through to 'M' for mtime */
4296 xtime = ¶m.fp_mtime;
4297 xsign = ¶m.fp_msign;
4298 param.fp_exclude_mtime = !!neg_opt;
4300 rc = set_time(¶m, &t, xtime, optarg);
4301 if (rc == LONG_MAX) {
4309 if (optarg[0] == '+') {
4310 param.fp_blocks_sign = -1;
4312 } else if (optarg[0] == '-') {
4313 param.fp_blocks_sign = 1;
4317 param.fp_blocks_units = 1024;
4318 ret = llapi_parse_size(optarg, ¶m.fp_blocks,
4319 ¶m.fp_blocks_units, 0);
4321 fprintf(stderr, "error: bad blocks '%s'\n",
4325 param.fp_check_blocks = 1;
4326 param.fp_exclude_blocks = !!neg_opt;
4328 case LFS_COMP_COUNT_OPT:
4329 if (optarg[0] == '+') {
4330 param.fp_comp_count_sign = -1;
4332 } else if (optarg[0] == '-') {
4333 param.fp_comp_count_sign = 1;
4337 param.fp_comp_count = strtoul(optarg, &endptr, 0);
4338 if (*endptr != '\0') {
4339 fprintf(stderr, "error: bad component count "
4343 param.fp_check_comp_count = 1;
4344 param.fp_exclude_comp_count = !!neg_opt;
4346 case LFS_COMP_FLAGS_OPT:
4347 rc = comp_str2flags(optarg, ¶m.fp_comp_flags,
4348 ¶m.fp_comp_neg_flags);
4350 fprintf(stderr, "error: bad component flags "
4354 param.fp_check_comp_flags = 1;
4356 __u32 flags = param.fp_comp_neg_flags;
4357 param.fp_comp_neg_flags = param.fp_comp_flags;
4358 param.fp_comp_flags = flags;
4361 case LFS_COMP_START_OPT:
4362 if (optarg[0] == '+') {
4363 param.fp_comp_start_sign = -1;
4365 } else if (optarg[0] == '-') {
4366 param.fp_comp_start_sign = 1;
4370 rc = llapi_parse_size(optarg, ¶m.fp_comp_start,
4371 ¶m.fp_comp_start_units, 0);
4373 fprintf(stderr, "error: bad component start "
4377 param.fp_check_comp_start = 1;
4378 param.fp_exclude_comp_start = !!neg_opt;
4380 case LFS_MIRROR_STATE_OPT:
4381 rc = mirror_str2state(optarg, ¶m.fp_mirror_state,
4382 ¶m.fp_mirror_neg_state);
4385 "error: bad mirrored file state '%s'\n",
4389 param.fp_check_mirror_state = 1;
4391 __u16 state = param.fp_mirror_neg_state;
4392 param.fp_mirror_neg_state =
4393 param.fp_mirror_state;
4394 param.fp_mirror_state = state;
4398 if (optarg[0] == '+') {
4399 param.fp_stripe_count_sign = -1;
4401 } else if (optarg[0] == '-') {
4402 param.fp_stripe_count_sign = 1;
4406 param.fp_stripe_count = strtoul(optarg, &endptr, 0);
4407 if (*endptr != '\0') {
4408 fprintf(stderr,"error: bad stripe_count '%s'\n",
4413 param.fp_check_stripe_count = 1;
4414 param.fp_exclude_stripe_count = !!neg_opt;
4417 param.fp_max_depth = strtol(optarg, 0, 0);
4420 if (optarg[0] == '+') {
4421 param.fp_comp_end_sign = -1;
4423 } else if (optarg[0] == '-') {
4424 param.fp_comp_end_sign = 1;
4428 if (arg_is_eof(optarg)) {
4429 param.fp_comp_end = LUSTRE_EOF;
4430 param.fp_comp_end_units = 1;
4433 rc = llapi_parse_size(optarg,
4435 ¶m.fp_comp_end_units, 0);
4438 fprintf(stderr, "error: bad component end "
4442 param.fp_check_comp_end = 1;
4443 param.fp_exclude_comp_end = !!neg_opt;
4445 case LFS_LAYOUT_FOREIGN_OPT: {
4446 /* all types by default */
4447 uint32_t type = LU_FOREIGN_TYPE_UNKNOWN;
4449 if (optarg != NULL) {
4450 /* check pure numeric */
4451 type = strtoul(optarg, &endptr, 0);
4454 type = check_foreign_type_name(optarg);
4455 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
4457 "%s %s: unknown foreign type '%s'\n",
4464 param.fp_foreign_type = type;
4465 param.fp_check_foreign = 1;
4466 param.fp_exclude_foreign = !!neg_opt;
4469 case LFS_NEWERXY_OPT: {
4475 time_t ref = time(NULL);
4477 /* no need to check bad options, they won't get here */
4478 if (strlen(long_opts[optidx].name) == 7) {
4479 x = long_opts[optidx].name[5];
4480 y = long_opts[optidx].name[6];
4484 static const char *const fmts[] = {
4485 "%Y-%m-%d %H:%M:%S",
4488 "%H:%M:%S", /* sometime today */
4497 for (i = 0; fmts[i] != NULL; i++) {
4500 /* Init for times relative to today */
4501 if (strncmp(fmts[i], "%H", 2) == 0)
4502 localtime_r(&ref, &tm);
4504 memset(&tm, 0, sizeof(tm));
4505 ptr = strptime(optarg, fmts[i], &tm);
4507 while (ptr && isspace(*ptr))
4509 if (ptr == optarg + strlen(optarg)) {
4517 "%s: invalid time '%s'\n",
4520 "supported formats are:\n ");
4521 for (i = 0; fmts[i] != NULL; i++)
4522 fprintf(stderr, "'%s', ",
4524 fprintf(stderr, "\n");
4531 struct stat statbuf;
4533 if (stat(optarg, &statbuf) < 0) {
4535 "%s: cannot stat file '%s': %s\n",
4544 ref = statbuf.st_atime;
4547 ref = statbuf.st_mtime;
4550 ref = statbuf.st_ctime;
4554 "%s: invalid Y argument: '%c'\n",
4563 xidx = NEWERXY_ATIME;
4566 xidx = NEWERXY_MTIME;
4569 xidx = NEWERXY_CTIME;
4573 "%s: invalid X argument: '%c'\n",
4580 newery = ¶m.fp_newery[xidx][negidx];
4586 *newery = *newery > ref ? ref : *newery;
4588 *newery = *newery > ref ? *newery : ref;
4590 param.fp_newerxy = 1;
4595 rc = name2gid(¶m.fp_gid, optarg);
4597 param.fp_gid = strtoul(optarg, &endptr, 10);
4598 if (*endptr != '\0') {
4599 fprintf(stderr, "Group/GID: %s cannot "
4600 "be found.\n", optarg);
4605 param.fp_exclude_gid = !!neg_opt;
4606 param.fp_check_gid = 1;
4609 param.fp_hash_type = check_hashtype(optarg);
4610 if (param.fp_hash_type == 0) {
4611 fprintf(stderr, "error: bad hash_type '%s'\n",
4616 param.fp_check_hash_type = 1;
4617 param.fp_exclude_hash_type = !!neg_opt;
4623 ret = name2layout(¶m.fp_layout, optarg);
4626 param.fp_exclude_layout = !!neg_opt;
4627 param.fp_check_layout = 1;
4631 rc = name2uid(¶m.fp_uid, optarg);
4633 param.fp_uid = strtoul(optarg, &endptr, 10);
4634 if (*endptr != '\0') {
4635 fprintf(stderr, "User/UID: %s cannot "
4636 "be found.\n", optarg);
4641 param.fp_exclude_uid = !!neg_opt;
4642 param.fp_check_uid = 1;
4645 param.fp_pattern = (char *)optarg;
4646 param.fp_exclude_pattern = !!neg_opt;
4649 if (optarg[0] == '+') {
4650 param.fp_mirror_count_sign = -1;
4652 } else if (optarg[0] == '-') {
4653 param.fp_mirror_count_sign = 1;
4657 param.fp_mirror_count = strtoul(optarg, &endptr, 0);
4658 if (*endptr != '\0') {
4660 "error: bad mirror count '%s'\n",
4664 param.fp_check_mirror_count = 1;
4665 param.fp_exclude_mirror_count = !!neg_opt;
4670 char *buf, *token, *next, *p;
4674 buf = strdup(optarg);
4680 param.fp_exclude_obd = !!neg_opt;
4683 while (token && *token) {
4684 token = strchr(token, ',');
4691 param.fp_exclude_mdt = !!neg_opt;
4692 param.fp_num_alloc_mdts += len;
4693 tmp = realloc(param.fp_mdt_uuid,
4694 param.fp_num_alloc_mdts *
4695 sizeof(*param.fp_mdt_uuid));
4701 param.fp_mdt_uuid = tmp;
4703 param.fp_exclude_obd = !!neg_opt;
4704 param.fp_num_alloc_obds += len;
4705 tmp = realloc(param.fp_obd_uuid,
4706 param.fp_num_alloc_obds *
4707 sizeof(*param.fp_obd_uuid));
4713 param.fp_obd_uuid = tmp;
4715 for (token = buf; token && *token; token = next) {
4716 struct obd_uuid *puuid;
4719 ¶m.fp_mdt_uuid[param.fp_num_mdts++];
4722 ¶m.fp_obd_uuid[param.fp_num_obds++];
4724 p = strchr(token, ',');
4731 if (strlen(token) > sizeof(puuid->uuid) - 1) {
4736 strncpy(puuid->uuid, token,
4737 sizeof(puuid->uuid));
4744 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 18, 53, 0)
4748 if (strlen(optarg) > LOV_MAXPOOLNAME) {
4750 "Pool name %s is too long (max %d)\n",
4751 optarg, LOV_MAXPOOLNAME);
4756 * We do check for empty pool because empty pool
4757 * is used to find V1 LOV attributes
4759 strncpy(param.fp_poolname, optarg, LOV_MAXPOOLNAME);
4760 param.fp_poolname[LOV_MAXPOOLNAME] = '\0';
4761 param.fp_exclude_pool = !!neg_opt;
4762 param.fp_check_pool = 1;
4764 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
4765 case 'p': /* want this for --pool, to match getstripe/find */
4767 "warning: -p deprecated, use --print0 or -0\n");
4770 param.fp_zero_end = 1;
4772 case 'P': /* we always print, this option is a no-op */
4774 case LFS_PROJID_OPT:
4775 rc = name2projid(¶m.fp_projid, optarg);
4777 param.fp_projid = strtoul(optarg, &endptr, 10);
4778 if (*endptr != '\0') {
4780 "Invalid project ID: %s",
4786 param.fp_exclude_projid = !!neg_opt;
4787 param.fp_check_projid = 1;
4790 if (optarg[0] == '+') {
4791 param.fp_size_sign = -1;
4793 } else if (optarg[0] == '-') {
4794 param.fp_size_sign = 1;
4798 ret = llapi_parse_size(optarg, ¶m.fp_size,
4799 ¶m.fp_size_units, 0);
4801 fprintf(stderr, "error: bad file size '%s'\n",
4805 param.fp_check_size = 1;
4806 param.fp_exclude_size = !!neg_opt;
4809 if (optarg[0] == '+') {
4810 param.fp_stripe_size_sign = -1;
4812 } else if (optarg[0] == '-') {
4813 param.fp_stripe_size_sign = 1;
4817 ret = llapi_parse_size(optarg, ¶m.fp_stripe_size,
4818 ¶m.fp_stripe_size_units, 0);
4820 fprintf(stderr, "error: bad stripe_size '%s'\n",
4824 param.fp_check_stripe_size = 1;
4825 param.fp_exclude_stripe_size = !!neg_opt;
4828 param.fp_exclude_type = !!neg_opt;
4829 switch (optarg[0]) {
4831 param.fp_type = S_IFBLK;
4834 param.fp_type = S_IFCHR;
4837 param.fp_type = S_IFDIR;
4840 param.fp_type = S_IFREG;
4843 param.fp_type = S_IFLNK;
4846 param.fp_type = S_IFIFO;
4849 param.fp_type = S_IFSOCK;
4852 fprintf(stderr, "error: %s: bad type '%s'\n",
4859 if (optarg[0] == '+') {
4860 param.fp_mdt_count_sign = -1;
4862 } else if (optarg[0] == '-') {
4863 param.fp_mdt_count_sign = 1;
4867 param.fp_mdt_count = strtoul(optarg, &endptr, 0);
4868 if (*endptr != '\0') {
4869 fprintf(stderr, "error: bad mdt_count '%s'\n",
4874 param.fp_check_mdt_count = 1;
4875 param.fp_exclude_mdt_count = !!neg_opt;
4878 if (optarg[0] == '+') {
4879 param.fp_ext_size_sign = -1;
4881 } else if (optarg[0] == '-') {
4882 param.fp_ext_size_sign = 1;
4886 ret = llapi_parse_size(optarg, ¶m.fp_ext_size,
4887 ¶m.fp_ext_size_units, 0);
4889 fprintf(stderr, "error: bad ext-size '%s'\n",
4893 param.fp_ext_size /= SEL_UNIT_SIZE;
4894 param.fp_ext_size_units /= SEL_UNIT_SIZE;
4895 param.fp_check_ext_size = 1;
4896 param.fp_exclude_ext_size = !!neg_opt;
4904 if (pathstart == -1) {
4905 fprintf(stderr, "error: %s: no filename|pathname\n",
4909 } else if (pathend == -1) {
4915 rc = llapi_find(argv[pathstart], ¶m);
4918 pathbad = pathstart;
4920 } while (++pathstart < pathend);
4923 fprintf(stderr, "%s: failed for '%s': %s\n",
4924 progname, argv[pathbad], strerror(-rc));
4927 if (param.fp_obd_uuid && param.fp_num_alloc_obds)
4928 free(param.fp_obd_uuid);
4930 if (param.fp_mdt_uuid && param.fp_num_alloc_mdts)
4931 free(param.fp_mdt_uuid);
4936 static int lfs_getstripe_internal(int argc, char **argv,
4937 struct find_param *param)
4939 struct option long_opts[] = {
4940 /* find { .val = 'A', .name = "atime", .has_arg = required_argument }*/
4941 /* find { .val = 'b', .name = "blocks", .has_arg = required_argument }*/
4942 { .val = LFS_COMP_COUNT_OPT,
4943 .name = "comp-count", .has_arg = no_argument },
4944 { .val = LFS_COMP_COUNT_OPT,
4945 .name = "component-count", .has_arg = no_argument },
4946 { .val = LFS_COMP_FLAGS_OPT,
4947 .name = "comp-flags", .has_arg = optional_argument },
4948 { .val = LFS_COMP_FLAGS_OPT,
4949 .name = "component-flags", .has_arg = optional_argument },
4950 { .val = LFS_COMP_START_OPT,
4951 .name = "comp-start", .has_arg = optional_argument },
4952 { .val = LFS_COMP_START_OPT,
4953 .name = "component-start", .has_arg = optional_argument },
4954 { .val = LFS_MIRROR_INDEX_OPT,
4955 .name = "mirror-index", .has_arg = required_argument },
4956 { .val = LFS_MIRROR_ID_OPT,
4957 .name = "mirror-id", .has_arg = required_argument },
4958 { .val = 'c', .name = "stripe-count", .has_arg = no_argument },
4959 { .val = 'c', .name = "stripe_count", .has_arg = no_argument },
4960 /* find { .val = 'C', .name = "ctime", .has_arg = required_argument }*/
4961 { .val = 'd', .name = "directory", .has_arg = no_argument },
4962 { .val = 'D', .name = "default", .has_arg = no_argument },
4963 { .val = 'E', .name = "comp-end", .has_arg = optional_argument },
4964 { .val = 'E', .name = "component-end", .has_arg = optional_argument },
4965 { .val = 'F', .name = "fid", .has_arg = no_argument },
4966 { .val = 'g', .name = "generation", .has_arg = no_argument },
4967 /* find { .val = 'G', .name = "group", .has_arg = required_argument }*/
4968 /* dirstripe { .val = 'H', .name = "mdt-hash", .has_arg = required_argument }*/
4969 { .val = 'i', .name = "stripe-index", .has_arg = no_argument },
4970 { .val = 'i', .name = "stripe_index", .has_arg = no_argument },
4971 { .val = 'I', .name = "comp-id", .has_arg = optional_argument },
4972 { .val = 'I', .name = "component-id", .has_arg = optional_argument },
4973 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
4974 { .val = 'L', .name = "layout", .has_arg = no_argument },
4975 { .val = 'm', .name = "mdt", .has_arg = no_argument },
4976 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
4977 { .val = 'm', .name = "mdt_index", .has_arg = no_argument },
4978 /* find { .val = 'M', .name = "mtime", .has_arg = required_argument }*/
4979 /* find { .val = 'n', .name = "name", .has_arg = required_argument }*/
4980 { .val = 'N', .name = "mirror-count", .has_arg = no_argument },
4981 { .val = 'O', .name = "obd", .has_arg = required_argument },
4982 { .val = 'O', .name = "ost", .has_arg = required_argument },
4983 { .val = 'p', .name = "pool", .has_arg = no_argument },
4984 /* find { .val = 'P', .name = "print", .has_arg = no_argument }, */
4985 { .val = 'q', .name = "quiet", .has_arg = no_argument },
4986 { .val = 'r', .name = "recursive", .has_arg = no_argument },
4987 { .val = 'R', .name = "raw", .has_arg = no_argument },
4988 { .val = 'S', .name = "stripe-size", .has_arg = no_argument },
4989 { .val = 'S', .name = "stripe_size", .has_arg = no_argument },
4990 /* find { .val = 't', .name = "type", .has_arg = required_argument }*/
4991 /* dirstripe { .val = 'T', .name = "mdt-count", .has_arg = required_argument }*/
4992 /* find { .val = 'u', .name = "uid", .has_arg = required_argument }*/
4993 /* find { .val = 'U', .name = "user", .has_arg = required_argument }*/
4994 { .val = 'v', .name = "verbose", .has_arg = no_argument },
4995 { .val = 'y', .name = "yaml", .has_arg = no_argument },
4996 { .val = 'z', .name = "extension-size", .has_arg = no_argument },
4997 { .val = 'z', .name = "ext-size", .has_arg = no_argument },
5001 int pathstart = -1, pathend = -1;
5005 while ((c = getopt_long(argc, argv,
5006 "-cdDE::FghiI::LmMNoO:pqrRsSvyz",
5007 long_opts, NULL)) != -1) {
5011 /* '!' is part of option */
5012 isoption = (c != 1) || (strcmp(optarg, "!") == 0);
5013 if (!isoption && pathend != -1) {
5015 "error: %s: filename|dirname must either precede options or follow options\n",
5019 if (!isoption && pathstart == -1)
5020 pathstart = optind - 1;
5021 if (isoption && pathstart != -1 && pathend == -1)
5022 pathend = optind - 2;
5026 /* unknown: opt is "!" */
5027 if (strcmp(optarg, "!") == 0)
5031 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5032 param->fp_verbose |= VERBOSE_COUNT;
5033 param->fp_max_depth = 0;
5036 case LFS_COMP_COUNT_OPT:
5037 param->fp_verbose |= VERBOSE_COMP_COUNT;
5038 param->fp_max_depth = 0;
5040 case LFS_COMP_FLAGS_OPT:
5041 if (optarg != NULL) {
5042 rc = comp_str2flags(optarg,
5043 ¶m->fp_comp_flags,
5044 ¶m->fp_comp_neg_flags);
5046 fprintf(stderr, "error: %s bad "
5047 "component flags '%s'.\n",
5051 param->fp_check_comp_flags = 1;
5053 param->fp_verbose |= VERBOSE_COMP_FLAGS;
5054 param->fp_max_depth = 0;
5057 case LFS_COMP_START_OPT:
5058 if (optarg != NULL) {
5060 if (tmp[0] == '+') {
5061 param->fp_comp_start_sign = -1;
5063 } else if (tmp[0] == '-') {
5064 param->fp_comp_start_sign = 1;
5067 rc = llapi_parse_size(tmp,
5068 ¶m->fp_comp_start,
5069 ¶m->fp_comp_start_units, 0);
5071 fprintf(stderr, "error: %s bad "
5072 "component start '%s'.\n",
5076 param->fp_check_comp_start = 1;
5079 param->fp_verbose |= VERBOSE_COMP_START;
5080 param->fp_max_depth = 0;
5083 case LFS_MIRROR_INDEX_OPT:
5084 if (optarg[0] == '+') {
5085 param->fp_mirror_index_sign = -1;
5087 } else if (optarg[0] == '-') {
5088 param->fp_mirror_index_sign = 1;
5092 param->fp_mirror_index = strtoul(optarg, &end, 0);
5093 if (*end != '\0' || (param->fp_mirror_index == 0 &&
5094 param->fp_mirror_index_sign == 0 && neg_opt == 0)) {
5096 "%s %s: invalid mirror index '%s'\n",
5097 progname, argv[0], optarg);
5100 if (param->fp_mirror_id != 0) {
5102 "%s %s: can't specify both mirror index and mirror ID\n",
5106 param->fp_check_mirror_index = 1;
5107 param->fp_exclude_mirror_index = !!neg_opt;
5109 case LFS_MIRROR_ID_OPT:
5110 if (optarg[0] == '+') {
5111 param->fp_mirror_id_sign = -1;
5113 } else if (optarg[0] == '-') {
5114 param->fp_mirror_id_sign = 1;
5118 param->fp_mirror_id = strtoul(optarg, &end, 0);
5119 if (*end != '\0' || (param->fp_mirror_id == 0 &&
5120 param->fp_mirror_id_sign == 0 && neg_opt == 0)) {
5122 "%s %s: invalid mirror ID '%s'\n",
5123 progname, argv[0], optarg);
5126 if (param->fp_mirror_index != 0) {
5128 "%s %s: can't specify both mirror index and mirror ID\n",
5132 param->fp_check_mirror_id = 1;
5133 param->fp_exclude_mirror_id = !!neg_opt;
5136 param->fp_max_depth = 0;
5139 param->fp_get_default_lmv = 1;
5142 if (optarg != NULL) {
5144 if (tmp[0] == '+') {
5145 param->fp_comp_end_sign = -1;
5147 } else if (tmp[0] == '-') {
5148 param->fp_comp_end_sign = 1;
5152 if (arg_is_eof(tmp)) {
5153 param->fp_comp_end = LUSTRE_EOF;
5154 param->fp_comp_end_units = 1;
5157 rc = llapi_parse_size(tmp,
5158 ¶m->fp_comp_end,
5159 ¶m->fp_comp_end_units, 0);
5162 fprintf(stderr, "error: %s bad "
5163 "component end '%s'.\n",
5167 param->fp_check_comp_end = 1;
5169 param->fp_verbose |= VERBOSE_COMP_END;
5170 param->fp_max_depth = 0;
5174 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5175 param->fp_verbose |= VERBOSE_DFID;
5176 param->fp_max_depth = 0;
5180 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5181 param->fp_verbose |= VERBOSE_GENERATION;
5182 param->fp_max_depth = 0;
5186 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5187 param->fp_verbose |= VERBOSE_STRIPE_OFFSET;
5188 param->fp_max_depth = 0;
5192 if (optarg != NULL) {
5193 param->fp_comp_id = strtoul(optarg, &end, 0);
5194 if (*end != '\0' || param->fp_comp_id == 0 ||
5195 param->fp_comp_id > LCME_ID_MAX) {
5196 fprintf(stderr, "error: %s bad "
5197 "component id '%s'\n",
5201 param->fp_check_comp_id = 1;
5204 param->fp_max_depth = 0;
5205 param->fp_verbose |= VERBOSE_COMP_ID;
5209 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5210 param->fp_verbose |= VERBOSE_PATTERN;
5211 param->fp_max_depth = 0;
5214 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5216 fprintf(stderr, "warning: '-M' deprecated"
5217 ", use '--mdt-index' or '-m' instead\n");
5220 if (!(param->fp_verbose & VERBOSE_DETAIL))
5221 param->fp_max_depth = 0;
5222 param->fp_verbose |= VERBOSE_MDTINDEX;
5225 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5226 param->fp_verbose |= VERBOSE_MIRROR_COUNT;
5227 param->fp_max_depth = 0;
5231 if (param->fp_obd_uuid) {
5233 "error: %s: only one obduuid allowed",
5237 param->fp_obd_uuid = (struct obd_uuid *)optarg;
5240 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5241 param->fp_verbose |= VERBOSE_POOL;
5242 param->fp_max_depth = 0;
5249 param->fp_recursive = 1;
5255 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5256 param->fp_verbose |= VERBOSE_STRIPE_SIZE;
5257 param->fp_max_depth = 0;
5261 param->fp_verbose = VERBOSE_DEFAULT | VERBOSE_DETAIL;
5267 if (!(param->fp_verbose & VERBOSE_DETAIL)) {
5268 param->fp_verbose |= VERBOSE_EXT_SIZE;
5269 param->fp_max_depth = 0;
5277 if (pathstart == -1) {
5278 fprintf(stderr, "error: %s: no filename|pathname\n",
5281 } else if (pathend == -1) {
5289 if (param->fp_recursive)
5290 param->fp_max_depth = -1;
5291 else if (param->fp_verbose & VERBOSE_DETAIL)
5292 param->fp_max_depth = 1;
5294 if (!param->fp_verbose)
5295 param->fp_verbose = VERBOSE_DEFAULT;
5296 if (param->fp_quiet)
5297 param->fp_verbose = VERBOSE_OBJID;
5300 rc = llapi_getstripe(argv[pathstart], param);
5301 } while (++pathstart < pathend && !rc);
5304 fprintf(stderr, "error: %s failed for %s.\n",
5305 argv[0], argv[optind - 1]);
5309 static int lfs_tgts(int argc, char **argv)
5311 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
5312 struct find_param param;
5313 int index = 0, rc=0;
5318 if (argc == 2 && !realpath(argv[1], path)) {
5320 fprintf(stderr, "error: invalid path '%s': %s\n",
5321 argv[1], strerror(-rc));
5325 while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
5326 /* Check if we have a mount point */
5327 if (mntdir[0] == '\0')
5330 memset(¶m, 0, sizeof(param));
5331 if (!strcmp(argv[0], "mdts"))
5332 param.fp_get_lmv = 1;
5334 rc = llapi_ostlist(mntdir, ¶m);
5336 fprintf(stderr, "error: %s: failed on %s\n",
5339 if (path[0] != '\0')
5341 memset(mntdir, 0, PATH_MAX);
5347 static int lfs_getstripe(int argc, char **argv)
5349 struct find_param param = { 0 };
5351 param.fp_max_depth = 1;
5352 return lfs_getstripe_internal(argc, argv, ¶m);
5356 static int lfs_getdirstripe(int argc, char **argv)
5358 struct find_param param = { 0 };
5359 struct option long_opts[] = {
5360 { .val = 'c', .name = "mdt-count", .has_arg = no_argument },
5361 { .val = 'D', .name = "default", .has_arg = no_argument },
5362 { .val = 'H', .name = "mdt-hash", .has_arg = no_argument },
5363 { .val = 'i', .name = "mdt-index", .has_arg = no_argument },
5364 { .val = 'm', .name = "mdt-index", .has_arg = no_argument },
5365 { .val = 'O', .name = "obd", .has_arg = required_argument },
5366 { .val = 'r', .name = "recursive", .has_arg = no_argument },
5367 { .val = 'T', .name = "mdt-count", .has_arg = no_argument },
5368 { .val = 'v', .name = "verbose", .has_arg = no_argument },
5369 { .val = 'y', .name = "yaml", .has_arg = no_argument },
5373 param.fp_get_lmv = 1;
5375 while ((c = getopt_long(argc, argv,
5376 "cDHimO:rtTvy", long_opts, NULL)) != -1)
5381 param.fp_verbose |= VERBOSE_COUNT;
5384 param.fp_get_default_lmv = 1;
5388 param.fp_verbose |= VERBOSE_STRIPE_OFFSET;
5390 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5392 fprintf(stderr, "warning: '-t' deprecated, "
5393 "use '--mdt-hash' or '-H' instead\n");
5396 param.fp_verbose |= VERBOSE_HASH_TYPE;
5399 if (param.fp_obd_uuid) {
5401 "error: %s: only one obduuid allowed",
5405 param.fp_obd_uuid = (struct obd_uuid *)optarg;
5408 param.fp_recursive = 1;
5411 param.fp_verbose |= VERBOSE_DETAIL;
5417 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5418 progname, argv[0], argv[optind - 1]);
5426 if (param.fp_recursive)
5427 param.fp_max_depth = -1;
5429 if (!param.fp_verbose)
5430 param.fp_verbose = VERBOSE_DEFAULT;
5433 rc = llapi_getstripe(argv[optind], ¶m);
5434 } while (++optind < argc && !rc);
5437 fprintf(stderr, "error: %s failed for %s.\n",
5438 argv[0], argv[optind - 1]);
5443 MNTDF_INODES = 0x0001,
5444 MNTDF_COOKED = 0x0002,
5445 MNTDF_LAZY = 0x0004,
5446 MNTDF_VERBOSE = 0x0008,
5447 MNTDF_SHOW = 0x0010,
5450 #define COOK(value) \
5453 while (value > 1024) { \
5461 #define CDF "%11llu"
5462 #define HDF "%8.1f%c"
5466 static inline int obd_statfs_ratio(const struct obd_statfs *st, bool inodes)
5468 double avail, used, ratio = 0;
5471 avail = st->os_ffree;
5472 used = st->os_files - st->os_ffree;
5474 avail = st->os_bavail;
5475 used = st->os_blocks - st->os_bfree;
5477 if (avail + used > 0)
5478 ratio = used / (used + avail) * 100;
5480 /* Round up to match df(1) usage percentage */
5481 return (ratio - (int)ratio) > 0 ? (int)(ratio + 1) : (int)ratio;
5484 /* This is to identify various problem states for "lfs df" if .osn_err = true,
5485 * so only show flags reflecting those states by default. Informational states
5486 * are only shown with "-v" and use lower-case names to distinguish them.
5487 * UNUSED[12] were for "EROFS = 30" until 1.6 but are now available for use.
5489 static struct obd_statfs_state_names {
5490 enum obd_statfs_state osn_state;
5491 const char osn_name;
5494 { .osn_state = OS_STATE_DEGRADED, .osn_name = 'D', .osn_err = true },
5495 { .osn_state = OS_STATE_READONLY, .osn_name = 'R', .osn_err = true },
5496 { .osn_state = OS_STATE_NOPRECREATE, .osn_name = 'N', .osn_err = true },
5497 { .osn_state = OS_STATE_UNUSED1, .osn_name = '?', .osn_err = true },
5498 { .osn_state = OS_STATE_UNUSED2, .osn_name = '?', .osn_err = true },
5499 { .osn_state = OS_STATE_ENOSPC, .osn_name = 'S', .osn_err = true },
5500 { .osn_state = OS_STATE_ENOINO, .osn_name = 'I', .osn_err = true },
5501 { .osn_state = OS_STATE_SUM, .osn_name = 'a', /* aggregate */ },
5502 { .osn_state = OS_STATE_NONROT, .osn_name = 'f', /* flash */ },
5505 static int showdf(char *mntdir, struct obd_statfs *stat,
5506 char *uuid, enum mntdf_flags flags,
5507 char *type, int index, int rc)
5509 long long avail, used, total;
5511 char *suffix = "KMGTPEZY";
5512 /* Note if we have >2^64 bytes/fs these buffers will need to be grown */
5513 char tbuf[3 * sizeof(__u64)];
5514 char ubuf[3 * sizeof(__u64)];
5515 char abuf[3 * sizeof(__u64)];
5516 char rbuf[3 * sizeof(__u64)];
5523 if (flags & MNTDF_INODES) {
5524 avail = stat->os_ffree;
5525 used = stat->os_files - stat->os_ffree;
5526 total = stat->os_files;
5528 int shift = flags & MNTDF_COOKED ? 0 : 10;
5530 avail = (stat->os_bavail * stat->os_bsize) >> shift;
5531 used = ((stat->os_blocks - stat->os_bfree) *
5532 stat->os_bsize) >> shift;
5533 total = (stat->os_blocks * stat->os_bsize) >> shift;
5536 ratio = obd_statfs_ratio(stat, flags & MNTDF_INODES);
5538 if (flags & MNTDF_COOKED) {
5542 cook_val = (double)total;
5545 snprintf(tbuf, sizeof(tbuf), HDF, cook_val,
5548 snprintf(tbuf, sizeof(tbuf), CDF, total);
5550 cook_val = (double)used;
5553 snprintf(ubuf, sizeof(ubuf), HDF, cook_val,
5556 snprintf(ubuf, sizeof(ubuf), CDF, used);
5558 cook_val = (double)avail;
5561 snprintf(abuf, sizeof(abuf), HDF, cook_val,
5564 snprintf(abuf, sizeof(abuf), CDF, avail);
5566 snprintf(tbuf, sizeof(tbuf), CDF, total);
5567 snprintf(ubuf, sizeof(tbuf), CDF, used);
5568 snprintf(abuf, sizeof(tbuf), CDF, avail);
5571 sprintf(rbuf, RDF, ratio);
5572 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
5573 uuid, tbuf, ubuf, abuf, rbuf, mntdir);
5575 printf("[%s:%d]", type, index);
5577 if (stat->os_state) {
5581 for (i = 0; i < ARRAY_SIZE(oss_names); i++) {
5582 if (oss_names[i].osn_state & stat->os_state &&
5583 (oss_names[i].osn_err ||
5584 flags & MNTDF_VERBOSE))
5585 printf("%c", oss_names[i].osn_name);
5592 printf(UUF": inactive device\n", uuid);
5595 printf(UUF": %s\n", uuid, strerror(-rc));
5602 struct ll_stat_type {
5607 #define LL_STATFS_MAX LOV_MAX_STRIPE_COUNT
5609 struct ll_statfs_data {
5611 struct obd_statfs sd_st;
5614 struct ll_statfs_buf {
5616 struct ll_statfs_data sb_buf[LL_STATFS_MAX];
5619 static int mntdf(char *mntdir, char *fsname, char *pool, enum mntdf_flags flags,
5620 int ops, struct ll_statfs_buf *lsb)
5622 struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
5623 struct obd_uuid uuid_buf;
5624 char *poolname = NULL;
5625 struct ll_stat_type types[] = {
5626 { .st_op = LL_STATFS_LMV, .st_name = "MDT" },
5627 { .st_op = LL_STATFS_LOV, .st_name = "OST" },
5628 { .st_name = NULL } };
5629 struct ll_stat_type *tp;
5630 __u64 ost_files = 0;
5631 __u64 ost_ffree = 0;
5639 poolname = strchr(pool, '.');
5640 if (poolname != NULL) {
5641 if (strncmp(fsname, pool, strlen(fsname))) {
5642 fprintf(stderr, "filesystem name incorrect\n");
5650 fd = open(mntdir, O_RDONLY);
5653 fprintf(stderr, "%s: cannot open '%s': %s\n", progname, mntdir,
5658 if (flags & MNTDF_SHOW) {
5659 if (flags & MNTDF_INODES)
5660 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5661 "UUID", "Inodes", "IUsed", "IFree",
5662 "IUse%", "Mounted on");
5664 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s\n",
5666 flags & MNTDF_COOKED ? "bytes" : "1K-blocks",
5667 "Used", "Available", "Use%", "Mounted on");
5670 for (tp = types; tp->st_name != NULL; tp++) {
5671 bool have_ost = false;
5673 if (!(tp->st_op & ops))
5676 for (index = 0; ; index++) {
5677 memset(&stat_buf, 0, sizeof(struct obd_statfs));
5678 memset(&uuid_buf, 0, sizeof(struct obd_uuid));
5679 type = flags & MNTDF_LAZY ?
5680 tp->st_op | LL_STATFS_NODELAY : tp->st_op;
5681 rc2 = llapi_obd_fstatfs(fd, type, index,
5682 &stat_buf, &uuid_buf);
5687 if (rc2 == -ENODATA) { /* Inactive device, OK. */
5688 if (!(flags & MNTDF_VERBOSE))
5690 } else if (rc2 < 0 && rc == 0) {
5694 /* If we have OSTs then don't report MDT block counts.
5695 * For MDT-only filesystems the expectation is that all
5696 * layouts have a DoM component. For filesystems with
5697 * OSTs, files are not necessarily going to store data
5698 * on MDTs, and MDT space is limited to a fraction of
5699 * OST space, so don't include it in the summary.
5701 if (tp->st_op == LL_STATFS_LOV && !have_ost) {
5708 if (poolname && tp->st_op == LL_STATFS_LOV &&
5709 llapi_search_ost(fsname, poolname,
5710 obd_uuid2str(&uuid_buf)) != 1)
5713 /* the llapi_obd_statfs() call may have returned with
5714 * an error, but if it filled in uuid_buf we will at
5715 * lease use that to print out a message for that OBD.
5716 * If we didn't get anything in the uuid_buf, then fill
5717 * it in so that we can print an error message. */
5718 if (uuid_buf.uuid[0] == '\0')
5719 snprintf(uuid_buf.uuid, sizeof(uuid_buf.uuid),
5720 "%s%04x", tp->st_name, index);
5722 lsb->sb_buf[lsb->sb_count].sd_index = index;
5723 lsb->sb_buf[lsb->sb_count].sd_st = stat_buf;
5726 if (flags & MNTDF_SHOW)
5727 showdf(mntdir, &stat_buf,
5728 obd_uuid2str(&uuid_buf), flags,
5729 tp->st_name, index, rc2);
5734 if (tp->st_op == LL_STATFS_LMV) {
5735 sum.os_ffree += stat_buf.os_ffree;
5736 sum.os_files += stat_buf.os_files;
5737 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
5738 ost_files += stat_buf.os_files;
5739 ost_ffree += stat_buf.os_ffree;
5741 sum.os_blocks += stat_buf.os_blocks *
5743 sum.os_bfree += stat_buf.os_bfree *
5745 sum.os_bavail += stat_buf.os_bavail *
5752 /* If we have _some_ OSTs, but don't have as many free objects on the
5753 * OST as inodes on the MDTs, reduce the reported number of inodes
5754 * to compensate, so that the "inodes in use" number is correct.
5755 * This should be kept in sync with ll_statfs_internal().
5757 if (ost_files && ost_ffree < sum.os_ffree) {
5758 sum.os_files = (sum.os_files - sum.os_ffree) + ost_ffree;
5759 sum.os_ffree = ost_ffree;
5761 if (flags & MNTDF_SHOW) {
5763 showdf(mntdir, &sum, "filesystem_summary:", flags, NULL, 0, 0);
5771 static int lfs_setdirstripe(int argc, char **argv)
5774 struct lfs_setstripe_args lsa = { 0 };
5775 struct llapi_stripe_param *param = NULL;
5776 __u32 mdts[LMV_MAX_STRIPE_COUNT] = { 0 };
5779 char *mode_opt = NULL;
5780 bool default_stripe = false;
5781 bool delete = false;
5782 bool foreign_mode = false;
5783 mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
5784 mode_t previous_mode = 0;
5786 __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
5787 struct option long_opts[] = {
5788 { .val = 'c', .name = "count", .has_arg = required_argument },
5789 { .val = 'c', .name = "mdt-count", .has_arg = required_argument },
5790 { .val = 'd', .name = "delete", .has_arg = no_argument },
5791 { .val = 'D', .name = "default", .has_arg = no_argument },
5792 { .val = 'D', .name = "default_stripe", .has_arg = no_argument },
5793 { .val = LFS_LAYOUT_FLAGS_OPT,
5794 .name = "flags", .has_arg = required_argument },
5795 { .val = LFS_LAYOUT_FOREIGN_OPT,
5796 .name = "foreign", .has_arg = optional_argument},
5797 { .val = 'H', .name = "mdt-hash", .has_arg = required_argument },
5798 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 17, 53, 0)
5799 { .val = 'i', .name = "mdt-index", .has_arg = required_argument },
5800 { .val = 'i', .name = "mdt", .has_arg = required_argument },
5802 /* find { .val = 'l', .name = "lazy", .has_arg = no_argument }, */
5803 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
5804 { .val = 'm', .name = "mdt", .has_arg = required_argument },
5806 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5807 { .val = 'i', .name = "index", .has_arg = required_argument },
5809 { .val = 'o', .name = "mode", .has_arg = required_argument },
5810 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5811 { .val = 't', .name = "hash-type", .has_arg = required_argument },
5813 { .val = 'T', .name = "mdt-count", .has_arg = required_argument },
5814 /* setstripe { .val = 'y', .name = "yaml", .has_arg = no_argument }, */
5815 { .val = 'x', .name = "xattr", .has_arg = required_argument },
5819 setstripe_args_init(&lsa);
5821 while ((c = getopt_long(argc, argv, "c:dDi:H:m:o:t:T:x:",
5822 long_opts, NULL)) >= 0) {
5829 lsa.lsa_stripe_count = strtoul(optarg, &end, 0);
5832 "%s %s: invalid stripe count '%s'\n",
5833 progname, argv[0], optarg);
5839 default_stripe = true;
5842 default_stripe = true;
5844 case LFS_LAYOUT_FOREIGN_OPT:
5845 if (optarg != NULL) {
5846 /* check pure numeric */
5847 type = strtoul(optarg, &end, 0);
5850 type = check_foreign_type_name(optarg);
5851 if (type == LU_FOREIGN_TYPE_UNKNOWN) {
5853 "%s %s: unknown foreign type '%s'\n",
5860 foreign_mode = true;
5862 case LFS_LAYOUT_FLAGS_OPT:
5863 flags = strtoul(optarg, &end, 16);
5866 "%s %s: bad flags '%s'\n",
5867 progname, argv[0], optarg);
5871 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5873 fprintf(stderr, "warning: '--hash-type' and '-t' "
5874 "deprecated, use '--mdt-hash' or '-H' instead\n");
5877 lsa.lsa_pattern = check_hashtype(optarg);
5878 if (lsa.lsa_pattern == 0) {
5880 "%s %s: bad stripe hash type '%s'\n",
5881 progname, argv[0], optarg);
5886 #if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 17, 53, 0)
5889 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
5890 if (strcmp(argv[optind - 1], "--index") == 0)
5892 "%s %s: warning: '--index' deprecated, use '--mdt-index' instead\n",
5895 lsa.lsa_nr_tgts = parse_targets(mdts,
5896 sizeof(mdts) / sizeof(__u32),
5897 lsa.lsa_nr_tgts, optarg, NULL);
5898 if (lsa.lsa_nr_tgts < 0) {
5900 "%s %s: invalid MDT target(s) '%s'\n",
5901 progname, argv[0], optarg);
5905 lsa.lsa_tgts = mdts;
5906 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
5907 lsa.lsa_stripe_off = mdts[0];
5909 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
5911 fprintf(stderr, "warning: '-m' is deprecated, "
5912 "use '--mode' or '-o' instead\n");
5921 fprintf(stderr, "%s %s: unrecognized option '%s'\n",
5922 progname, argv[0], argv[optind - 1]);
5927 if (optind == argc) {
5928 fprintf(stderr, "%s %s: DIR must be specified\n",
5933 if (xattr && !foreign_mode) {
5934 /* only print a warning as this is armless and will be
5938 "%s %s: xattr has been specified for non-foreign layout\n",
5940 } else if (foreign_mode && !xattr) {
5942 "%s %s: xattr must be provided in foreign mode\n",
5947 if (foreign_mode && (delete || default_stripe || lsa.lsa_nr_tgts ||
5948 lsa.lsa_tgts || setstripe_args_specified(&lsa))) {
5950 "%s %s: only --xattr/--flags/--mode options are valid with --foreign\n",
5955 if (!delete && lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT &&
5956 lsa.lsa_stripe_count == LLAPI_LAYOUT_DEFAULT && !foreign_mode) {
5958 "%s %s: stripe offset and count must be specified\n",
5964 (lsa.lsa_stripe_off != LLAPI_LAYOUT_DEFAULT ||
5965 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)) {
5967 "%s %s: cannot specify -d with -c or -i options\n",
5972 if (mode_opt != NULL) {
5973 mode = strtoul(mode_opt, &end, 8);
5976 "%s %s: bad MODE '%s'\n",
5977 progname, argv[0], mode_opt);
5980 previous_mode = umask(0);
5983 /* foreign LMV/dir case */
5985 if (argc > optind + 1) {
5987 "%s %s: cannot specify multiple foreign dirs\n",
5992 dname = argv[optind];
5993 result = llapi_dir_create_foreign(dname, mode, type, flags,
5997 "%s mkdir: can't create foreign dir '%s': %s\n",
5998 progname, dname, strerror(-result));
6003 * initialize stripe parameters, in case param is converted to specific,
6004 * i.e, 'lfs mkdir -i -1 -c N', always allocate space for lsp_tgts.
6006 param = calloc(1, offsetof(typeof(*param),
6007 lsp_tgts[lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT ?
6008 lsa.lsa_stripe_count : lsa.lsa_nr_tgts]));
6009 if (param == NULL) {
6011 "%s %s: cannot allocate memory for parameters: %s\n",
6012 progname, argv[0], strerror(ENOMEM));
6016 if (lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT)
6017 param->lsp_stripe_count = lsa.lsa_stripe_count;
6018 if (lsa.lsa_stripe_off == LLAPI_LAYOUT_DEFAULT)
6019 param->lsp_stripe_offset = -1;
6021 param->lsp_stripe_offset = lsa.lsa_stripe_off;
6022 if (lsa.lsa_pattern != LLAPI_LAYOUT_RAID0)
6023 param->lsp_stripe_pattern = lsa.lsa_pattern;
6025 param->lsp_stripe_pattern = LMV_HASH_TYPE_DEFAULT;
6026 param->lsp_pool = lsa.lsa_pool_name;
6027 param->lsp_is_specific = false;
6028 if (lsa.lsa_nr_tgts > 1) {
6029 if (lsa.lsa_stripe_count > 0 &&
6030 lsa.lsa_stripe_count != LLAPI_LAYOUT_DEFAULT &&
6031 lsa.lsa_stripe_count != lsa.lsa_nr_tgts) {
6033 "error: %s: stripe count %lld doesn't match the number of MDTs: %d\n",
6034 argv[0], lsa.lsa_stripe_count,
6040 param->lsp_is_specific = true;
6041 param->lsp_stripe_count = lsa.lsa_nr_tgts;
6042 memcpy(param->lsp_tgts, mdts, sizeof(*mdts) * lsa.lsa_nr_tgts);
6045 dname = argv[optind];
6047 if (default_stripe) {
6048 result = llapi_dir_set_default_lmv(dname, param);
6051 "%s setdirstripe: cannot set default stripe on dir '%s': %s\n",
6052 progname, dname, strerror(-result));
6056 result = llapi_dir_create(dname, mode, param);
6059 "%s setdirstripe: cannot create dir '%s': %s\n",
6060 progname, dname, strerror(-result));
6061 } while (!result && (dname = argv[++optind]));
6063 if (mode_opt != NULL)
6064 umask(previous_mode);
6071 static int lfs_rmentry(int argc, char **argv)
6078 fprintf(stderr, "error: %s: missing dirname\n",
6084 dname = argv[index];
6085 while (dname != NULL) {
6086 result = llapi_direntry_remove(dname);
6088 fprintf(stderr, "error: %s: remove dir entry '%s' "
6089 "failed\n", argv[0], dname);
6092 dname = argv[++index];
6097 static int lfs_mv(int argc, char **argv)
6099 struct lmv_user_md lmu = { LMV_USER_MAGIC };
6100 struct find_param param = {
6107 struct option long_opts[] = {
6108 { .val = 'm', .name = "mdt", .has_arg = required_argument },
6109 { .val = 'm', .name = "mdt-index", .has_arg = required_argument },
6110 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6113 while ((c = getopt_long(argc, argv, "m:M:v", long_opts, NULL)) != -1) {
6115 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
6117 fprintf(stderr, "warning: '-M' deprecated"
6118 ", use '--mdt-index' or '-m' instead\n");
6121 lmu.lum_stripe_offset = strtoul(optarg, &end, 0);
6123 fprintf(stderr, "%s mv: bad MDT index '%s'\n",
6129 param.fp_verbose = VERBOSE_DETAIL;
6132 fprintf(stderr, "%s mv: unrecognized option '%s'\n",
6133 progname, argv[optind - 1]);
6138 if (lmu.lum_stripe_offset == LMV_OFFSET_DEFAULT) {
6139 fprintf(stderr, "%s mv: MDT index must be specified\n",
6144 if (optind >= argc) {
6145 fprintf(stderr, "%s mv: DIR must be specified\n", progname);
6150 /* initialize migrate mdt parameters */
6151 param.fp_lmv_md = &lmu;
6152 param.fp_migrate = 1;
6153 rc = llapi_migrate_mdt(argv[optind], ¶m);
6155 fprintf(stderr, "%s mv: cannot migrate '%s' to MDT%04x: %s\n",
6156 progname, argv[optind], param.fp_mdt_index,
6161 static int lfs_osts(int argc, char **argv)
6163 return lfs_tgts(argc, argv);
6166 static int lfs_mdts(int argc, char **argv)
6168 return lfs_tgts(argc, argv);
6171 static int lfs_df(int argc, char **argv)
6173 char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
6174 enum mntdf_flags flags = MNTDF_SHOW;
6175 int ops = LL_STATFS_LMV | LL_STATFS_LOV;
6176 int c, rc = 0, index = 0;
6177 char fsname[PATH_MAX] = "", *pool_name = NULL;
6178 struct option long_opts[] = {
6179 { .val = 'h', .name = "human-readable",
6180 .has_arg = no_argument },
6181 { .val = 'i', .name = "inodes", .has_arg = no_argument },
6182 { .val = 'l', .name = "lazy", .has_arg = no_argument },
6183 { .val = 'p', .name = "pool", .has_arg = required_argument },
6184 { .val = 'v', .name = "verbose", .has_arg = no_argument },
6187 while ((c = getopt_long(argc, argv, "hilp:v", long_opts, NULL)) != -1) {
6190 flags |= MNTDF_COOKED;
6193 flags |= MNTDF_INODES;
6196 flags |= MNTDF_LAZY;
6202 flags |= MNTDF_VERBOSE;
6208 if (optind < argc && !realpath(argv[optind], path)) {
6210 fprintf(stderr, "error: invalid path '%s': %s\n",
6211 argv[optind], strerror(-rc));
6215 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6216 /* Check if we have a mount point */
6217 if (mntdir[0] == '\0')
6220 rc = mntdf(mntdir, fsname, pool_name, flags, ops, NULL);
6221 if (rc || path[0] != '\0')
6223 fsname[0] = '\0'; /* avoid matching in next loop */
6224 mntdir[0] = '\0'; /* avoid matching in next loop */
6230 static int print_instance(const char *mntdir, char *buf, size_t buflen,
6231 bool opt_instance, bool opt_fsname, bool opt_mntdir)
6235 if (opt_fsname == opt_instance) { /* both true or both false */
6236 rc = llapi_getname(mntdir, buf, buflen);
6237 } else if (opt_fsname) {
6238 /* llapi_search_mounts() fills @buf with fsname, but that is not
6239 * called if explicit paths are specified on the command-line
6242 rc = llapi_get_fsname(mntdir, buf, buflen);
6243 } else /* if (opt_instance) */ {
6244 rc = llapi_get_instance(mntdir, buf, buflen);
6248 fprintf(stderr, "cannot get instance for '%s': %s\n",
6249 mntdir, strerror(-rc));
6254 printf("%s %s\n", buf, mntdir);
6256 printf("%s\n", buf);
6261 static int lfs_getname(int argc, char **argv)
6263 struct option long_opts[] = {
6264 { .val = 'h', .name = "help", .has_arg = no_argument },
6265 { .val = 'i', .name = "instance", .has_arg = no_argument },
6266 { .val = 'n', .name = "fsname", .has_arg = no_argument },
6268 bool opt_instance = false, opt_fsname = false;
6269 char fsname[PATH_MAX] = "";
6272 while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
6275 opt_instance = true;
6286 if (optind == argc) { /* no paths specified, get all paths. */
6287 char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
6290 while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
6291 rc2 = print_instance(mntdir, fsname, sizeof(fsname),
6292 opt_instance, opt_fsname, true);
6295 path[0] = fsname[0] = mntdir[0] = '\0';
6297 } else { /* paths specified, only attempt to search these. */
6300 /* if only one path is given, print only requested info */
6301 opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
6303 for (; optind < argc; optind++) {
6304 rc2 = print_instance(argv[optind], fsname,
6305 sizeof(fsname), opt_instance,
6306 opt_fsname, opt_mntdir);
6316 static int lfs_check(int argc, char **argv)
6318 char mntdir[PATH_MAX] = {'\0'};
6327 fprintf(stderr, "%s check: server type must be specified\n",
6332 obd_types[0] = obd_type1;
6333 obd_types[1] = obd_type2;
6334 obd_types[2] = obd_type3;
6336 if (strcmp(argv[1], "osts") == 0) {
6337 strcpy(obd_types[0], "osc");
6338 } else if (strcmp(argv[1], "mdts") == 0 ||
6339 strcmp(argv[1], "mds") == 0) {
6340 strcpy(obd_types[0], "mdc");
6341 } else if (strcmp(argv[1], "mgts") == 0) {
6342 strcpy(obd_types[0], "mgc");
6343 } else if (strcmp(argv[1], "all") == 0 ||
6344 strcmp(argv[1], "servers") == 0) {
6346 strcpy(obd_types[0], "osc");
6347 strcpy(obd_types[1], "mdc");
6348 strcpy(obd_types[2], "mgc");
6350 fprintf(stderr, "%s check: unrecognized option '%s'\n",
6355 rc = llapi_search_mounts(NULL, 0, mntdir, NULL);
6356 if (rc < 0 || mntdir[0] == '\0') {
6358 "%s check: cannot find mounted Lustre filesystem: %s\n",
6359 progname, (rc < 0) ? strerror(-rc) : strerror(ENODEV));
6363 rc = llapi_target_check(num_types, obd_types, mntdir);
6365 fprintf(stderr, "%s check: cannot check target '%s': %s\n",
6366 progname, argv[1], strerror(-rc));
6372 #ifdef HAVE_SYS_QUOTA_H
6373 #define ARG2INT(nr, str, msg) \
6376 nr = strtol(str, &endp, 0); \
6377 if (*endp != '\0') { \
6378 fprintf(stderr, "%s: bad %s '%s'\n", \
6379 progname, msg, str); \
6384 #define ADD_OVERFLOW(a,b) ((a + b) < a) ? (a = ULONG_MAX) : (a = a + b)
6386 /* Convert format time string "XXwXXdXXhXXmXXs" into seconds value
6387 * returns the value or ULONG_MAX on integer overflow or incorrect format
6389 * 1. the order of specifiers is arbitrary (may be: 5w3s or 3s5w)
6390 * 2. specifiers may be encountered multiple times (2s3s is 5 seconds)
6391 * 3. empty integer value is interpreted as 0
6393 static unsigned long str2sec(const char* timestr)
6395 const char spec[] = "smhdw";
6396 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6397 unsigned long val = 0;
6400 if (strpbrk(timestr, spec) == NULL) {
6401 /* no specifiers inside the time string,
6402 should treat it as an integer value */
6403 val = strtoul(timestr, &tail, 10);
6404 return *tail ? ULONG_MAX : val;
6407 /* format string is XXwXXdXXhXXmXXs */
6413 v = strtoul(timestr, &tail, 10);
6414 if (v == ULONG_MAX || *tail == '\0')
6415 /* value too large (ULONG_MAX or more)
6416 or missing specifier */
6419 ptr = strchr(spec, *tail);
6421 /* unknown specifier */
6426 /* check if product will overflow the type */
6427 if (!(v < ULONG_MAX / mult[ind]))
6430 ADD_OVERFLOW(val, mult[ind] * v);
6431 if (val == ULONG_MAX)
6443 #define ARG2ULL(nr, str, def_units) \
6445 unsigned long long limit, units = def_units; \
6448 rc = llapi_parse_size(str, &limit, &units, 1); \
6450 fprintf(stderr, "%s: invalid limit '%s'\n", \
6457 static inline int has_times_option(int argc, char **argv)
6461 for (i = 1; i < argc; i++)
6462 if (!strcmp(argv[i], "-t"))
6468 int lfs_setquota_times(int argc, char **argv)
6471 struct if_quotactl qctl;
6472 char *mnt, *obd_type = (char *)qctl.obd_type;
6473 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6474 struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
6475 struct option long_opts[] = {
6476 { .val = 'b', .name = "block-grace", .has_arg = required_argument },
6477 { .val = 'g', .name = "group", .has_arg = no_argument },
6478 { .val = 'i', .name = "inode-grace", .has_arg = required_argument },
6479 { .val = 'p', .name = "projid", .has_arg = no_argument },
6480 { .val = 't', .name = "times", .has_arg = no_argument },
6481 { .val = 'u', .name = "user", .has_arg = no_argument },
6485 memset(&qctl, 0, sizeof(qctl));
6486 qctl.qc_cmd = LUSTRE_Q_SETINFO;
6487 qctl.qc_type = ALLQUOTA;
6489 while ((c = getopt_long(argc, argv, "b:gi:ptu",
6490 long_opts, NULL)) != -1) {
6501 if (qctl.qc_type != ALLQUOTA) {
6502 fprintf(stderr, "error: -u/g/p can't be used "
6503 "more than once\n");
6506 qctl.qc_type = qtype;
6509 if (strncmp(optarg, NOTIFY_GRACE,
6510 strlen(NOTIFY_GRACE)) == 0) {
6511 dqi->dqi_bgrace = NOTIFY_GRACE_TIME;
6513 dqi->dqi_bgrace = str2sec(optarg);
6514 if (dqi->dqi_bgrace >= NOTIFY_GRACE_TIME) {
6515 fprintf(stderr, "error: bad "
6516 "block-grace: %s\n", optarg);
6520 dqb->dqb_valid |= QIF_BTIME;
6523 if (strncmp(optarg, NOTIFY_GRACE,
6524 strlen(NOTIFY_GRACE)) == 0) {
6525 dqi->dqi_igrace = NOTIFY_GRACE_TIME;
6527 dqi->dqi_igrace = str2sec(optarg);
6528 if (dqi->dqi_igrace >= NOTIFY_GRACE_TIME) {
6529 fprintf(stderr, "error: bad "
6530 "inode-grace: %s\n", optarg);
6534 dqb->dqb_valid |= QIF_ITIME;
6536 case 't': /* Yes, of course! */
6538 /* getopt prints error message for us when opterr != 0 */
6544 if (qctl.qc_type == ALLQUOTA) {
6545 fprintf(stderr, "error: neither -u, -g nor -p specified\n");
6549 if (optind != argc - 1) {
6550 fprintf(stderr, "error: unexpected parameters encountered\n");
6555 rc = llapi_quotactl(mnt, &qctl);
6558 fprintf(stderr, "%s %s ", obd_type,
6559 obd_uuid2str(&qctl.obd_uuid));
6560 fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
6567 #define BSLIMIT (1 << 0)
6568 #define BHLIMIT (1 << 1)
6569 #define ISLIMIT (1 << 2)
6570 #define IHLIMIT (1 << 3)
6572 int lfs_setquota(int argc, char **argv)
6575 struct if_quotactl qctl;
6576 char *mnt, *obd_type = (char *)qctl.obd_type;
6577 struct obd_dqblk *dqb = &qctl.qc_dqblk;
6578 struct option long_opts[] = {
6579 { .val = 'b', .name = "block-softlimit",
6580 .has_arg = required_argument },
6581 { .val = 'B', .name = "block-hardlimit",
6582 .has_arg = required_argument },
6583 { .val = 'd', .name = "default", .has_arg = no_argument },
6584 { .val = 'g', .name = "group", .has_arg = required_argument },
6585 { .val = 'G', .name = "default-grp", .has_arg = no_argument },
6586 { .val = 'i', .name = "inode-softlimit",
6587 .has_arg = required_argument },
6588 { .val = 'I', .name = "inode-hardlimit",
6589 .has_arg = required_argument },
6590 { .val = 'p', .name = "projid", .has_arg = required_argument },
6591 { .val = 'P', .name = "default-prj", .has_arg = no_argument },
6592 { .val = 'u', .name = "user", .has_arg = required_argument },
6593 { .val = 'U', .name = "default-usr", .has_arg = no_argument },
6595 unsigned limit_mask = 0;
6597 bool use_default = false;
6600 if (has_times_option(argc, argv))
6601 return lfs_setquota_times(argc, argv);
6603 memset(&qctl, 0, sizeof(qctl));
6604 qctl.qc_cmd = LUSTRE_Q_SETQUOTA;
6605 qctl.qc_type = ALLQUOTA; /* ALLQUOTA makes no sense for setquota,
6606 * so it can be used as a marker that qc_type
6607 * isn't reinitialized from command line */
6609 while ((c = getopt_long(argc, argv, "b:B:dg:Gi:I:p:Pu:U",
6610 long_opts, NULL)) != -1) {
6613 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6616 goto quota_type_def;
6619 rc = name2uid(&qctl.qc_id, optarg);
6622 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6625 goto quota_type_def;
6628 rc = name2gid(&qctl.qc_id, optarg);
6631 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6634 goto quota_type_def;
6637 rc = name2projid(&qctl.qc_id, optarg);
6640 qctl.qc_id = strtoul(optarg, &endptr, 10);
6641 if (*endptr != '\0') {
6642 fprintf(stderr, "%s setquota: invalid"
6643 " id '%s'\n", progname, optarg);
6648 if (qctl.qc_id == 0) {
6649 fprintf(stderr, "%s setquota: can't set quota"
6650 " for root usr/group/project.\n",
6656 if (qctl.qc_type != ALLQUOTA) {
6658 "%s setquota: only one of -u, -U, -g,"
6659 " -G, -p or -P may be specified\n",
6663 qctl.qc_type = qtype;
6666 qctl.qc_cmd = LUSTRE_Q_SETDEFAULT;
6670 ARG2ULL(dqb->dqb_bsoftlimit, optarg, 1024);
6671 dqb->dqb_bsoftlimit >>= 10;
6672 limit_mask |= BSLIMIT;
6673 if (dqb->dqb_bsoftlimit &&
6674 dqb->dqb_bsoftlimit <= 1024) /* <= 1M? */
6676 "%s setquota: warning: block softlimit '%llu' smaller than minimum qunit size\n"
6677 "See '%s help setquota' or Lustre manual for details\n",
6679 (unsigned long long)dqb->dqb_bsoftlimit,
6683 ARG2ULL(dqb->dqb_bhardlimit, optarg, 1024);
6684 dqb->dqb_bhardlimit >>= 10;
6685 limit_mask |= BHLIMIT;
6686 if (dqb->dqb_bhardlimit &&
6687 dqb->dqb_bhardlimit <= 1024) /* <= 1M? */
6689 "%s setquota: warning: block hardlimit '%llu' smaller than minimum qunit size\n"
6690 "See '%s help setquota' or Lustre manual for details\n",
6692 (unsigned long long)dqb->dqb_bhardlimit,
6696 ARG2ULL(dqb->dqb_isoftlimit, optarg, 1);
6697 limit_mask |= ISLIMIT;
6698 if (dqb->dqb_isoftlimit &&
6699 dqb->dqb_isoftlimit <= 1024) /* <= 1K inodes? */
6701 "%s setquota: warning: inode softlimit '%llu' smaller than minimum qunit size\n"
6702 "See '%s help setquota' or Lustre manual for details\n",
6704 (unsigned long long)dqb->dqb_isoftlimit,
6708 ARG2ULL(dqb->dqb_ihardlimit, optarg, 1);
6709 limit_mask |= IHLIMIT;
6710 if (dqb->dqb_ihardlimit &&
6711 dqb->dqb_ihardlimit <= 1024) /* <= 1K inodes? */
6713 "%s setquota: warning: inode hardlimit '%llu' smaller than minimum qunit size\n"
6714 "See '%s help setquota' or Lustre manual for details\n",
6716 (unsigned long long)dqb->dqb_ihardlimit,
6721 "%s setquota: unrecognized option '%s'\n",
6722 progname, argv[optind - 1]);
6727 if (qctl.qc_type == ALLQUOTA) {
6729 "%s setquota: either -u or -g must be specified\n",
6734 if (!use_default && limit_mask == 0) {
6736 "%s setquota: at least one limit must be specified\n",
6741 if (use_default && limit_mask != 0) {
6743 "%s setquota: limits should not be specified when"
6744 " using default quota\n",
6749 if (use_default && qctl.qc_id == 0) {
6751 "%s setquota: can not set default quota for root"
6752 " user/group/project\n",
6757 if (optind != argc - 1) {
6759 "%s setquota: filesystem not specified or unexpected argument '%s'\n",
6760 progname, argv[optind]);
6767 dqb->dqb_bhardlimit = 0;
6768 dqb->dqb_bsoftlimit = 0;
6769 dqb->dqb_ihardlimit = 0;
6770 dqb->dqb_isoftlimit = 0;
6773 dqb->dqb_valid |= QIF_LIMITS | QIF_TIMES;
6774 } else if ((!(limit_mask & BHLIMIT) ^ !(limit_mask & BSLIMIT)) ||
6775 (!(limit_mask & IHLIMIT) ^ !(limit_mask & ISLIMIT))) {
6776 /* sigh, we can't just set blimits/ilimits */
6777 struct if_quotactl tmp_qctl = {.qc_cmd = LUSTRE_Q_GETQUOTA,
6778 .qc_type = qctl.qc_type,
6779 .qc_id = qctl.qc_id};
6781 rc = llapi_quotactl(mnt, &tmp_qctl);
6785 if (!(limit_mask & BHLIMIT))
6786 dqb->dqb_bhardlimit = tmp_qctl.qc_dqblk.dqb_bhardlimit;
6787 if (!(limit_mask & BSLIMIT))
6788 dqb->dqb_bsoftlimit = tmp_qctl.qc_dqblk.dqb_bsoftlimit;
6789 if (!(limit_mask & IHLIMIT))
6790 dqb->dqb_ihardlimit = tmp_qctl.qc_dqblk.dqb_ihardlimit;
6791 if (!(limit_mask & ISLIMIT))
6792 dqb->dqb_isoftlimit = tmp_qctl.qc_dqblk.dqb_isoftlimit;
6794 /* Keep grace times if we have got no softlimit arguments */
6795 if ((limit_mask & BHLIMIT) && !(limit_mask & BSLIMIT)) {
6796 dqb->dqb_valid |= QIF_BTIME;
6797 dqb->dqb_btime = tmp_qctl.qc_dqblk.dqb_btime;
6800 if ((limit_mask & IHLIMIT) && !(limit_mask & ISLIMIT)) {
6801 dqb->dqb_valid |= QIF_ITIME;
6802 dqb->dqb_itime = tmp_qctl.qc_dqblk.dqb_itime;
6806 dqb->dqb_valid |= (limit_mask & (BHLIMIT | BSLIMIT)) ? QIF_BLIMITS : 0;
6807 dqb->dqb_valid |= (limit_mask & (IHLIMIT | ISLIMIT)) ? QIF_ILIMITS : 0;
6809 rc = llapi_quotactl(mnt, &qctl);
6813 "%s setquota: cannot quotactl '%s' '%s': %s",
6815 obd_uuid2str(&qctl.obd_uuid), strerror(-rc));
6822 /* Converts seconds value into format string
6823 * result is returned in buf
6825 * 1. result is in descenting order: 1w2d3h4m5s
6826 * 2. zero fields are not filled (except for p. 3): 5d1s
6827 * 3. zero seconds value is presented as "0s"
6829 static char * __sec2str(time_t seconds, char *buf)
6831 const char spec[] = "smhdw";
6832 const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
6837 for (i = ARRAY_SIZE(mult) - 1 ; i >= 0; i--) {
6838 c = seconds / mult[i];
6840 if (c > 0 || (i == 0 && buf == tail))
6841 tail += scnprintf(tail, 40-(tail-buf), "%lu%c", c,
6850 static void sec2str(time_t seconds, char *buf, int rc)
6857 tail = __sec2str(seconds, tail);
6859 if (rc && tail - buf < 39) {
6865 static void diff2str(time_t seconds, char *buf, time_t now)
6871 if (seconds <= now) {
6872 strcpy(buf, "none");
6875 __sec2str(seconds - now, buf);
6878 static void print_quota_title(char *name, struct if_quotactl *qctl,
6879 bool human_readable, bool show_default)
6882 printf("Disk default %s quota:\n", qtype_name(qctl->qc_type));
6883 printf("%15s %8s%8s%8s %8s%8s%8s\n",
6884 "Filesystem", "bquota", "blimit", "bgrace",
6885 "iquota", "ilimit", "igrace");
6887 printf("Disk quotas for %s %s (%cid %u):\n",
6888 qtype_name(qctl->qc_type), name,
6889 *qtype_name(qctl->qc_type), qctl->qc_id);
6890 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n",
6891 "Filesystem", human_readable ? "used" : "kbytes",
6892 "quota", "limit", "grace",
6893 "files", "quota", "limit", "grace");
6897 static void kbytes2str(__u64 num, char *buf, int buflen, bool h)
6900 snprintf(buf, buflen, "%ju", (uintmax_t)num);
6903 snprintf(buf, buflen, "%5.4gP",
6904 (double)num / ((__u64)1 << 40));
6906 snprintf(buf, buflen, "%5.4gT",
6907 (double)num / (1 << 30));
6909 snprintf(buf, buflen, "%5.4gG",
6910 (double)num / (1 << 20));
6912 snprintf(buf, buflen, "%5.4gM",
6913 (double)num / (1 << 10));
6915 snprintf(buf, buflen, "%ju%s", (uintmax_t)num, "k");
6919 #define STRBUF_LEN 32
6920 static void print_quota(char *mnt, struct if_quotactl *qctl, int type,
6921 int rc, bool h, bool show_default)
6927 if (qctl->qc_cmd == LUSTRE_Q_GETQUOTA || qctl->qc_cmd == Q_GETOQUOTA ||
6928 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) {
6929 int bover = 0, iover = 0;
6930 struct obd_dqblk *dqb = &qctl->qc_dqblk;
6931 char numbuf[3][STRBUF_LEN];
6933 char strbuf[STRBUF_LEN];
6935 if (dqb->dqb_bhardlimit &&
6936 lustre_stoqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
6938 } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
6939 if (dqb->dqb_btime > now) {
6946 if (dqb->dqb_ihardlimit &&
6947 dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
6949 } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
6950 if (dqb->dqb_itime > now) {
6958 if (strlen(mnt) > 15)
6959 printf("%s\n%15s", mnt, "");
6961 printf("%15s", mnt);
6964 diff2str(dqb->dqb_btime, timebuf, now);
6965 else if (show_default)
6966 snprintf(timebuf, sizeof(timebuf), "%llu",
6967 (unsigned long long)dqb->dqb_btime);
6969 kbytes2str(lustre_stoqb(dqb->dqb_curspace),
6970 strbuf, sizeof(strbuf), h);
6971 if (rc == -EREMOTEIO)
6972 sprintf(numbuf[0], "%s*", strbuf);
6974 sprintf(numbuf[0], (dqb->dqb_valid & QIF_SPACE) ?
6975 "%s" : "[%s]", strbuf);
6977 kbytes2str(dqb->dqb_bsoftlimit, strbuf, sizeof(strbuf), h);
6978 if (type == QC_GENERAL)
6979 sprintf(numbuf[1], (dqb->dqb_valid & QIF_BLIMITS) ?
6980 "%s" : "[%s]", strbuf);
6982 sprintf(numbuf[1], "%s", "-");
6984 kbytes2str(dqb->dqb_bhardlimit, strbuf, sizeof(strbuf), h);
6985 sprintf(numbuf[2], (dqb->dqb_valid & QIF_BLIMITS) ?
6986 "%s" : "[%s]", strbuf);
6989 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
6991 printf(" %7s%c %6s %7s %7s",
6992 numbuf[0], bover ? '*' : ' ', numbuf[1],
6993 numbuf[2], bover > 1 ? timebuf : "-");
6997 diff2str(dqb->dqb_itime, timebuf, now);
6998 else if (show_default)
6999 snprintf(timebuf, sizeof(timebuf), "%llu",
7000 (unsigned long long)dqb->dqb_itime);
7002 snprintf(numbuf[0], sizeof(numbuf),
7003 (dqb->dqb_valid & QIF_INODES) ? "%ju" : "[%ju]",
7004 (uintmax_t)dqb->dqb_curinodes);
7006 if (type == QC_GENERAL)
7007 sprintf(numbuf[1], (dqb->dqb_valid & QIF_ILIMITS) ?
7009 (uintmax_t)dqb->dqb_isoftlimit);
7011 sprintf(numbuf[1], "%s", "-");
7013 sprintf(numbuf[2], (dqb->dqb_valid & QIF_ILIMITS) ?
7014 "%ju" : "[%ju]", (uintmax_t)dqb->dqb_ihardlimit);
7017 printf(" %6s %7s %7s", numbuf[1], numbuf[2], timebuf);
7018 else if (type != QC_OSTIDX)
7019 printf(" %7s%c %6s %7s %7s",
7020 numbuf[0], iover ? '*' : ' ', numbuf[1],
7021 numbuf[2], iover > 1 ? timebuf : "-");
7023 printf(" %7s %7s %7s %7s", "-", "-", "-", "-");
7025 } else if (qctl->qc_cmd == LUSTRE_Q_GETINFO ||
7026 qctl->qc_cmd == Q_GETOINFO) {
7030 if (qctl->qc_dqinfo.dqi_bgrace == NOTIFY_GRACE_TIME)
7031 strncpy(bgtimebuf, NOTIFY_GRACE, 40);
7033 sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
7034 if (qctl->qc_dqinfo.dqi_igrace == NOTIFY_GRACE_TIME)
7035 strncpy(igtimebuf, NOTIFY_GRACE, 40);
7037 sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
7039 printf("Block grace time: %s; Inode grace time: %s\n",
7040 bgtimebuf, igtimebuf);
7044 static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt,
7045 bool h, __u64 *total)
7047 int rc = 0, rc1 = 0, count = 0;
7048 __u32 valid = qctl->qc_valid;
7050 rc = llapi_get_obd_count(mnt, &count, is_mdt);
7052 fprintf(stderr, "can not get %s count: %s\n",
7053 is_mdt ? "mdt": "ost", strerror(-rc));
7057 for (qctl->qc_idx = 0; qctl->qc_idx < count; qctl->qc_idx++) {
7058 qctl->qc_valid = is_mdt ? QC_MDTIDX : QC_OSTIDX;
7059 rc = llapi_quotactl(mnt, qctl);
7061 /* It is remote client case. */
7062 if (rc == -EOPNOTSUPP) {
7069 fprintf(stderr, "quotactl %s%d failed.\n",
7070 is_mdt ? "mdt": "ost", qctl->qc_idx);
7074 print_quota(obd_uuid2str(&qctl->obd_uuid), qctl,
7075 qctl->qc_valid, 0, h, false);
7076 *total += is_mdt ? qctl->qc_dqblk.dqb_ihardlimit :
7077 qctl->qc_dqblk.dqb_bhardlimit;
7080 qctl->qc_valid = valid;
7084 static int get_print_quota(char *mnt, char *name, struct if_quotactl *qctl,
7085 int verbose, int quiet, bool human_readable,
7088 int rc1 = 0, rc2 = 0, rc3 = 0;
7089 char *obd_type = (char *)qctl->obd_type;
7090 char *obd_uuid = (char *)qctl->obd_uuid.uuid;
7091 __u64 total_ialloc = 0, total_balloc = 0;
7092 bool use_default_for_blk = false;
7093 bool use_default_for_file = false;
7096 rc1 = llapi_quotactl(mnt, qctl);
7100 fprintf(stderr, "%s quotas are not enabled.\n",
7101 qtype_name(qctl->qc_type));
7104 fprintf(stderr, "Permission denied.\n");
7107 /* We already got error message. */
7110 fprintf(stderr, "Unexpected quotactl error: %s\n",
7115 if (!show_default && qctl->qc_id == 0) {
7116 qctl->qc_dqblk.dqb_bhardlimit = 0;
7117 qctl->qc_dqblk.dqb_bsoftlimit = 0;
7118 qctl->qc_dqblk.dqb_ihardlimit = 0;
7119 qctl->qc_dqblk.dqb_isoftlimit = 0;
7120 qctl->qc_dqblk.dqb_btime = 0;
7121 qctl->qc_dqblk.dqb_itime = 0;
7122 qctl->qc_dqblk.dqb_valid |= QIF_LIMITS | QIF_TIMES;
7125 if (qctl->qc_dqblk.dqb_valid & QIF_BTIME &&
7126 LQUOTA_FLAG(qctl->qc_dqblk.dqb_btime) & LQUOTA_FLAG_DEFAULT) {
7127 use_default_for_blk = true;
7128 qctl->qc_dqblk.dqb_btime &= LQUOTA_GRACE_MASK;
7131 if (qctl->qc_dqblk.dqb_valid & QIF_ITIME &&
7132 LQUOTA_FLAG(qctl->qc_dqblk.dqb_itime) & LQUOTA_FLAG_DEFAULT) {
7133 use_default_for_file = true;
7134 qctl->qc_dqblk.dqb_itime &= LQUOTA_GRACE_MASK;
7137 if ((qctl->qc_cmd == LUSTRE_Q_GETQUOTA ||
7138 qctl->qc_cmd == LUSTRE_Q_GETDEFAULT) && !quiet)
7139 print_quota_title(name, qctl, human_readable, show_default);
7141 if (rc1 && *obd_type)
7142 fprintf(stderr, "%s %s ", obd_type, obd_uuid);
7144 if (qctl->qc_valid != QC_GENERAL)
7147 inacc = (qctl->qc_cmd == LUSTRE_Q_GETQUOTA) &&
7148 ((qctl->qc_dqblk.dqb_valid & (QIF_LIMITS|QIF_USAGE)) !=
7149 (QIF_LIMITS|QIF_USAGE));
7151 print_quota(mnt, qctl, QC_GENERAL, rc1, human_readable, show_default);
7153 if (!show_default && verbose &&
7154 qctl->qc_valid == QC_GENERAL && qctl->qc_cmd != LUSTRE_Q_GETINFO) {
7155 char strbuf[STRBUF_LEN];
7157 rc2 = print_obd_quota(mnt, qctl, 1, human_readable,
7159 rc3 = print_obd_quota(mnt, qctl, 0, human_readable,
7161 kbytes2str(total_balloc, strbuf, sizeof(strbuf),
7163 printf("Total allocated inode limit: %ju, total "
7164 "allocated block limit: %s\n", (uintmax_t)total_ialloc,
7168 if (use_default_for_blk)
7169 printf("%cid %u is using default block quota setting\n",
7170 *qtype_name(qctl->qc_type), qctl->qc_id);
7172 if (use_default_for_file)
7173 printf("%cid %u is using default file quota setting\n",
7174 *qtype_name(qctl->qc_type), qctl->qc_id);
7176 if (rc1 || rc2 || rc3 || inacc)
7177 printf("Some errors happened when getting quota info. "
7178 "Some devices may be not working or deactivated. "
7179 "The data in \"[]\" is inaccurate.\n");
7193 static int lfs_project(int argc, char **argv)
7195 int ret = 0, err = 0, c, i;
7196 struct project_handle_control phc = { 0 };
7197 enum lfs_project_ops_t op;
7200 phc.assign_projid = false;
7201 /* default action */
7202 op = LFS_PROJECT_LIST;
7204 while ((c = getopt(argc, argv, "p:cCsdkr0")) != -1) {
7207 if (op != LFS_PROJECT_LIST) {
7209 "%s: cannot specify '-c' '-C' '-s' together\n",
7214 op = LFS_PROJECT_CHECK;
7217 if (op != LFS_PROJECT_LIST) {
7219 "%s: cannot specify '-c' '-C' '-s' together\n",
7224 op = LFS_PROJECT_CLEAR;
7227 if (op != LFS_PROJECT_LIST) {
7229 "%s: cannot specify '-c' '-C' '-s' together\n",
7234 phc.set_inherit = true;
7235 op = LFS_PROJECT_SET;
7241 phc.keep_projid = true;
7244 phc.recursive = true;
7247 phc.projid = strtoul(optarg, NULL, 0);
7248 phc.assign_projid = true;
7252 phc.newline = false;
7255 fprintf(stderr, "%s: invalid option '%c'\n",
7261 if (phc.assign_projid && op == LFS_PROJECT_LIST) {
7262 op = LFS_PROJECT_SET;
7263 phc.set_projid = true;
7264 } else if (phc.assign_projid && op == LFS_PROJECT_SET) {
7265 phc.set_projid = true;
7269 case LFS_PROJECT_CHECK:
7270 if (phc.keep_projid) {
7272 "%s: '-k' is useless together with '-c'\n",
7277 case LFS_PROJECT_CLEAR:
7280 "%s: '-0' is useless together with '-C'\n",
7284 if (phc.assign_projid) {
7286 "%s: '-p' is useless together with '-C'\n",
7291 case LFS_PROJECT_SET:
7294 "%s: '-0' is useless together with '-s'\n",
7298 if (phc.keep_projid) {
7300 "%s: '-k' is useless together with '-s'\n",
7308 "%s: '-0' is useless for list operations\n",
7318 fprintf(stderr, "%s: missing file or directory target(s)\n",
7323 for (i = 0; i < argc; i++) {
7325 case LFS_PROJECT_CHECK:
7326 err = lfs_project_check(argv[i], &phc);
7328 case LFS_PROJECT_LIST:
7329 err = lfs_project_list(argv[i], &phc);
7331 case LFS_PROJECT_CLEAR:
7332 err = lfs_project_clear(argv[i], &phc);
7334 case LFS_PROJECT_SET:
7335 err = lfs_project_set(argv[i], &phc);
7347 static int lfs_quota(int argc, char **argv)
7350 char *mnt, *name = NULL;
7351 struct if_quotactl qctl = { .qc_cmd = LUSTRE_Q_GETQUOTA,
7352 .qc_type = ALLQUOTA };
7353 char *obd_uuid = (char *)qctl.obd_uuid.uuid;
7354 int rc = 0, rc1 = 0, verbose = 0, quiet = 0;
7356 __u32 valid = QC_GENERAL, idx = 0;
7357 bool human_readable = false;
7358 bool show_default = false;
7361 while ((c = getopt(argc, argv, "gGi:I:o:pPqtuUvh")) != -1) {
7364 show_default = true;
7369 show_default = true;
7374 show_default = true;
7378 if (qctl.qc_type != ALLQUOTA) {
7380 "%s quota: only one of -u, -g, or -p may be specified\n",
7384 qctl.qc_type = qtype;
7387 qctl.qc_cmd = LUSTRE_Q_GETINFO;
7390 valid = qctl.qc_valid = QC_UUID;
7391 snprintf(obd_uuid, sizeof(qctl.obd_uuid), "%s", optarg);
7394 valid = qctl.qc_valid = QC_MDTIDX;
7395 idx = qctl.qc_idx = atoi(optarg);
7396 if (idx == 0 && *optarg != '0') {
7398 "%s quota: invalid MDT index '%s'\n",
7404 valid = qctl.qc_valid = QC_OSTIDX;
7405 idx = qctl.qc_idx = atoi(optarg);
7406 if (idx == 0 && *optarg != '0') {
7408 "%s quota: invalid OST index '%s'\n",
7420 human_readable = true;
7423 fprintf(stderr, "%s quota: unrecognized option '%s'\n",
7424 progname, argv[optind - 1]);
7429 /* current uid/gid info for "lfs quota /path/to/lustre/mount" */
7430 if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA && qctl.qc_type == ALLQUOTA &&
7431 optind == argc - 1 && !show_default) {
7433 qctl.qc_cmd = LUSTRE_Q_GETQUOTA;
7436 for (qtype = USRQUOTA; qtype <= GRPQUOTA; qtype++) {
7437 qctl.qc_type = qtype;
7438 qctl.qc_valid = valid;
7439 if (qtype == USRQUOTA) {
7440 qctl.qc_id = geteuid();
7441 rc = uid2name(&name, qctl.qc_id);
7443 qctl.qc_id = getegid();
7444 rc = gid2name(&name, qctl.qc_id);
7445 memset(&qctl.qc_dqblk, 0,
7446 sizeof(qctl.qc_dqblk));
7451 rc1 = get_print_quota(mnt, name, &qctl, verbose, quiet,
7452 human_readable, show_default);
7457 /* lfs quota -u username /path/to/lustre/mount */
7458 } else if (qctl.qc_cmd == LUSTRE_Q_GETQUOTA) {
7459 /* options should be followed by u/g-name and mntpoint */
7460 if ((!show_default && optind + 2 != argc) ||
7461 (show_default && optind + 1 != argc) ||
7462 qctl.qc_type == ALLQUOTA) {
7464 "%s quota: name and mount point must be specified\n",
7469 if (!show_default) {
7470 name = argv[optind++];
7471 switch (qctl.qc_type) {
7473 rc = name2uid(&qctl.qc_id, name);
7476 rc = name2gid(&qctl.qc_id, name);
7479 rc = name2projid(&qctl.qc_id, name);
7486 qctl.qc_valid = QC_GENERAL;
7487 qctl.qc_cmd = LUSTRE_Q_GETDEFAULT;
7492 qctl.qc_id = strtoul(name, &endptr, 10);
7493 if (*endptr != '\0') {
7494 fprintf(stderr, "%s quota: invalid id '%s'\n",
7499 } else if (optind + 1 != argc || qctl.qc_type == ALLQUOTA) {
7500 fprintf(stderr, "%s quota: missing quota info argument(s)\n",
7506 rc = get_print_quota(mnt, name, &qctl, verbose, quiet,
7507 human_readable, show_default);
7510 #endif /* HAVE_SYS_QUOTA_H! */
7512 static int flushctx_ioctl(char *mp)
7516 fd = open(mp, O_RDONLY);
7518 fprintf(stderr, "flushctx: error open %s: %s\n",
7519 mp, strerror(errno));
7523 rc = ioctl(fd, LL_IOC_FLUSHCTX);
7525 fprintf(stderr, "flushctx: error ioctl %s: %s\n",
7526 mp, strerror(errno));
7532 static int lfs_flushctx(int argc, char **argv)
7534 int kdestroy = 0, c;
7535 char mntdir[PATH_MAX] = {'\0'};
7539 while ((c = getopt(argc, argv, "k")) != -1) {
7545 fprintf(stderr, "error: %s: option '-%c' "
7546 "unrecognized\n", argv[0], c);
7552 if ((rc = system("kdestroy > /dev/null")) != 0) {
7553 rc = WEXITSTATUS(rc);
7554 fprintf(stderr, "error destroying tickets: %d, continuing\n", rc);
7558 if (optind >= argc) {
7559 /* flush for all mounted lustre fs. */
7560 while (!llapi_search_mounts(NULL, index++, mntdir, NULL)) {
7561 /* Check if we have a mount point */
7562 if (mntdir[0] == '\0')
7565 if (flushctx_ioctl(mntdir))
7568 mntdir[0] = '\0'; /* avoid matching in next loop */
7571 /* flush fs as specified */
7572 while (optind < argc) {
7573 if (flushctx_ioctl(argv[optind++]))
7580 static int lfs_changelog(int argc, char **argv)
7582 void *changelog_priv;
7583 struct changelog_rec *rec;
7584 long long startrec = 0, endrec = 0;
7586 struct option long_opts[] = {
7587 { .val = 'f', .name = "follow", .has_arg = no_argument },
7589 char short_opts[] = "f";
7592 while ((rc = getopt_long(argc, argv, short_opts,
7593 long_opts, NULL)) != -1) {
7600 "%s changelog: unrecognized option '%s'\n",
7601 progname, argv[optind - 1]);
7605 if (optind >= argc) {
7606 fprintf(stderr, "%s changelog: mdtname must be specified\n",
7611 mdd = argv[optind++];
7613 startrec = strtoll(argv[optind++], NULL, 10);
7615 endrec = strtoll(argv[optind++], NULL, 10);
7617 rc = llapi_changelog_start(&changelog_priv,
7618 CHANGELOG_FLAG_BLOCK |
7619 CHANGELOG_FLAG_JOBID |
7620 CHANGELOG_FLAG_EXTRA_FLAGS |
7621 (follow ? CHANGELOG_FLAG_FOLLOW : 0),
7624 fprintf(stderr, "%s changelog: cannot start changelog: %s\n",
7625 progname, strerror(errno = -rc));
7629 rc = llapi_changelog_set_xflags(changelog_priv,
7630 CHANGELOG_EXTRA_FLAG_UIDGID |
7631 CHANGELOG_EXTRA_FLAG_NID |
7632 CHANGELOG_EXTRA_FLAG_OMODE |
7633 CHANGELOG_EXTRA_FLAG_XATTR);
7636 "%s changelog: cannot set xflags for changelog: %s\n",
7637 progname, strerror(errno = -rc));
7641 while ((rc = llapi_changelog_recv(changelog_priv, &rec)) == 0) {
7645 if (endrec && rec->cr_index > endrec) {
7646 llapi_changelog_free(&rec);
7649 if (rec->cr_index < startrec) {
7650 llapi_changelog_free(&rec);
7654 secs = rec->cr_time >> 30;
7655 gmtime_r(&secs, &ts);
7656 printf("%ju %02d%-5s %02d:%02d:%02d.%09d %04d.%02d.%02d "
7657 "0x%x t="DFID, (uintmax_t)rec->cr_index, rec->cr_type,
7658 changelog_type2str(rec->cr_type),
7659 ts.tm_hour, ts.tm_min, ts.tm_sec,
7660 (int)(rec->cr_time & ((1 << 30) - 1)),
7661 ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
7662 rec->cr_flags & CLF_FLAGMASK, PFID(&rec->cr_tfid));
7664 if (rec->cr_flags & CLF_JOBID) {
7665 struct changelog_ext_jobid *jid =
7666 changelog_rec_jobid(rec);
7668 if (jid->cr_jobid[0] != '\0')
7669 printf(" j=%s", jid->cr_jobid);
7672 if (rec->cr_flags & CLF_EXTRA_FLAGS) {
7673 struct changelog_ext_extra_flags *ef =
7674 changelog_rec_extra_flags(rec);
7676 printf(" ef=0x%llx",
7677 (unsigned long long)ef->cr_extra_flags);
7679 if (ef->cr_extra_flags & CLFE_UIDGID) {
7680 struct changelog_ext_uidgid *uidgid =
7681 changelog_rec_uidgid(rec);
7683 printf(" u=%llu:%llu",
7684 (unsigned long long)uidgid->cr_uid,
7685 (unsigned long long)uidgid->cr_gid);
7687 if (ef->cr_extra_flags & CLFE_NID) {
7688 struct changelog_ext_nid *nid =
7689 changelog_rec_nid(rec);
7692 libcfs_nid2str(nid->cr_nid));
7695 if (ef->cr_extra_flags & CLFE_OPEN) {
7696 struct changelog_ext_openmode *omd =
7697 changelog_rec_openmode(rec);
7698 char mode[] = "---";
7700 /* exec mode must be exclusive */
7701 if (omd->cr_openflags & MDS_FMODE_EXEC) {
7704 if (omd->cr_openflags & MDS_FMODE_READ)
7706 if (omd->cr_openflags &
7713 if (strcmp(mode, "---") != 0)
7714 printf(" m=%s", mode);
7718 if (ef->cr_extra_flags & CLFE_XATTR) {
7719 struct changelog_ext_xattr *xattr =
7720 changelog_rec_xattr(rec);
7722 if (xattr->cr_xattr[0] != '\0')
7723 printf(" x=%s", xattr->cr_xattr);
7727 if (rec->cr_namelen)
7728 printf(" p="DFID" %.*s", PFID(&rec->cr_pfid),
7729 rec->cr_namelen, changelog_rec_name(rec));
7731 if (rec->cr_flags & CLF_RENAME) {
7732 struct changelog_ext_rename *rnm =
7733 changelog_rec_rename(rec);
7735 if (!fid_is_zero(&rnm->cr_sfid))
7736 printf(" s="DFID" sp="DFID" %.*s",
7737 PFID(&rnm->cr_sfid),
7738 PFID(&rnm->cr_spfid),
7739 (int)changelog_rec_snamelen(rec),
7740 changelog_rec_sname(rec));
7744 llapi_changelog_free(&rec);
7747 llapi_changelog_fini(&changelog_priv);
7750 fprintf(stderr, "%s changelog: cannot access changelog: %s\n",
7751 progname, strerror(errno = -rc));
7753 return (rc == 1 ? 0 : rc);
7756 static int lfs_changelog_clear(int argc, char **argv)
7764 endrec = strtoll(argv[3], NULL, 10);
7766 rc = llapi_changelog_clear(argv[1], argv[2], endrec);
7769 fprintf(stderr, "%s: record out of range: %llu\n",
7771 else if (rc == -ENOENT)
7772 fprintf(stderr, "%s: no changelog user: %s\n",
7775 fprintf(stderr, "%s error: %s\n", argv[0],
7784 static int lfs_fid2path(int argc, char **argv)
7786 struct option long_opts[] = {
7787 { .val = 'c', .name = "cur", .has_arg = no_argument },
7788 { .val = 'l', .name = "link", .has_arg = required_argument },
7789 { .val = 'r', .name = "rec", .has_arg = required_argument },
7791 char short_opts[] = "cl:r:";
7792 char *device, *fid, *path;
7793 long long recno = -1;
7798 char *endptr = NULL;
7800 while ((rc = getopt_long(argc, argv, short_opts,
7801 long_opts, NULL)) != -1) {
7807 linkno = strtol(optarg, &endptr, 10);
7808 if (*endptr != '\0') {
7810 "%s fid2path: invalid linkno '%s'\n",
7816 recno = strtoll(optarg, &endptr, 10);
7817 if (*endptr != '\0') {
7819 "%s fid2path: invalid recno '%s'\n",
7826 "%s fid2path: unrecognized option '%s'\n",
7827 progname, argv[optind - 1]);
7834 "%s fid2path: <fsname|rootpath> and <fid>... must be specified\n",
7839 device = argv[optind++];
7840 path = calloc(1, PATH_MAX);
7844 "%s fid2path: cannot allocate memory for path: %s\n",
7845 progname, strerror(-rc));
7850 while (optind < argc) {
7851 fid = argv[optind++];
7853 lnktmp = (linkno >= 0) ? linkno : 0;
7855 int oldtmp = lnktmp;
7856 long long rectmp = recno;
7858 rc2 = llapi_fid2path(device, fid, path, PATH_MAX,
7862 "%s fid2path: cannot find '%s': %s\n",
7863 progname, fid, strerror(errno = -rc2));
7870 fprintf(stdout, "%lld ", rectmp);
7871 if (device[0] == '/') {
7872 fprintf(stdout, "%s", device);
7873 if (device[strlen(device) - 1] != '/')
7874 fprintf(stdout, "/");
7875 } else if (path[0] == '\0') {
7876 fprintf(stdout, "/");
7878 fprintf(stdout, "%s\n", path);
7881 /* specified linkno */
7883 if (oldtmp == lnktmp)
7893 static int lfs_path2fid(int argc, char **argv)
7895 struct option long_opts[] = {
7896 { .val = 'p', .name = "parents", .has_arg = no_argument },
7899 const char short_opts[] = "p";
7900 const char *sep = "";
7903 bool show_parents = false;
7905 while ((rc = getopt_long(argc, argv, short_opts,
7906 long_opts, NULL)) != -1) {
7909 show_parents = true;
7913 "%s path2fid: unrecognized option '%s'\n",
7914 progname, argv[optind - 1]);
7919 if (optind > argc - 1) {
7920 fprintf(stderr, "%s path2fid: FILE... must be specified\n",
7924 else if (optind < argc - 1)
7928 for (path = argv + optind; *path != NULL; path++) {
7930 if (!show_parents) {
7931 err = llapi_path2fid(*path, &fid);
7933 printf("%s%s"DFID"\n",
7934 *sep != '\0' ? *path : "", sep,
7937 char name[NAME_MAX + 1];
7938 unsigned int linkno = 0;
7940 while ((err = llapi_path2parent(*path, linkno, &fid,
7941 name, sizeof(name))) == 0) {
7942 if (*sep != '\0' && linkno == 0)
7943 printf("%s%s", *path, sep);
7945 printf("%s"DFID"/%s", linkno != 0 ? "\t" : "",
7950 /* err == -ENODATA is end-of-loop */
7951 if (linkno > 0 && err == -ENODATA) {
7959 "%s path2fid: cannot get %sfid for '%s': %s\n",
7960 progname, show_parents ? "parent " : "", *path,
7972 #define MAX_ERRNO 4095
7973 #define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-MAX_ERRNO)
7975 static int lfs_rmfid_and_show_errors(const char *device, struct fid_array *fa)
7979 rc = llapi_rmfid(device, fa);
7981 fprintf(stderr, "rmfid(): rc = %d\n", rc);
7985 for (k = 0; k < fa->fa_nr; k++) {
7986 rc = (__s32)fa->fa_fids[k].f_ver;
7987 if (!IS_ERR_VALUE(rc))
7993 fa->fa_fids[k].f_ver = 0;
7994 fprintf(stderr, "rmfid("DFID"): rc = %d\n",
7995 PFID(&fa->fa_fids[k]), rc);
8001 static int lfs_rmfid(int argc, char **argv)
8003 char *fidstr, *device;
8004 int rc = 0, rc2, nr;
8005 struct fid_array *fa;
8007 if (optind > argc - 1) {
8008 fprintf(stderr, "%s rmfid: missing dirname\n", progname);
8012 device = argv[optind++];
8015 fa = malloc(offsetof(struct fid_array, fa_fids[nr + 1]));
8021 while (optind < argc) {
8024 fidstr = argv[optind++];
8025 while (*fidstr == '[')
8027 found = sscanf(fidstr, SFID, RFID(&fa->fa_fids[fa->fa_nr]));
8029 fprintf(stderr, "unrecognized FID: %s\n",
8034 if (fa->fa_nr == OBD_MAX_FIDS_IN_ARRAY) {
8035 /* start another batch */
8036 rc2 = lfs_rmfid_and_show_errors(device, fa);
8043 rc2 = lfs_rmfid_and_show_errors(device, fa);
8051 static int lfs_data_version(int argc, char **argv)
8058 int data_version_flags = LL_DV_RD_FLUSH; /* Read by default */
8061 fprintf(stderr, "%s data_version: FILE must be specified\n",
8066 while ((c = getopt(argc, argv, "nrw")) != -1) {
8069 data_version_flags = 0;
8072 data_version_flags |= LL_DV_RD_FLUSH;
8075 data_version_flags |= LL_DV_WR_FLUSH;
8079 "%s data_version: unrecognized option '%s'\n",
8080 progname, argv[optind - 1]);
8084 if (optind == argc) {
8085 fprintf(stderr, "%s data_version: FILE must be specified\n",
8090 path = argv[optind];
8091 fd = open(path, O_RDONLY);
8094 fprintf(stderr, "%s data_version: cannot open file '%s': %s\n",
8095 progname, path, strerror(-rc));
8099 rc = llapi_get_data_version(fd, &data_version, data_version_flags);
8102 "%s data_version: cannot get version for '%s': %s\n",
8103 progname, path, strerror(-rc));
8105 printf("%ju" "\n", (uintmax_t)data_version);
8111 static int lfs_hsm_state(int argc, char **argv)
8116 struct hsm_user_state hus;
8124 rc = llapi_hsm_state_get(path, &hus);
8126 fprintf(stderr, "can't get hsm state for %s: %s\n",
8127 path, strerror(errno = -rc));
8131 /* Display path name and status flags */
8132 printf("%s: (0x%08x)", path, hus.hus_states);
8134 if (hus.hus_states & HS_RELEASED)
8135 printf(" released");
8136 if (hus.hus_states & HS_EXISTS)
8138 if (hus.hus_states & HS_DIRTY)
8140 if (hus.hus_states & HS_ARCHIVED)
8141 printf(" archived");
8142 /* Display user-settable flags */
8143 if (hus.hus_states & HS_NORELEASE)
8144 printf(" never_release");
8145 if (hus.hus_states & HS_NOARCHIVE)
8146 printf(" never_archive");
8147 if (hus.hus_states & HS_LOST)
8148 printf(" lost_from_hsm");
8150 if (hus.hus_archive_id != 0)
8151 printf(", archive_id:%d", hus.hus_archive_id);
8154 } while (++i < argc);
8159 #define LFS_HSM_SET 0
8160 #define LFS_HSM_CLEAR 1
8163 * Generic function to set or clear HSM flags.
8164 * Used by hsm_set and hsm_clear.
8166 * @mode if LFS_HSM_SET, set the flags, if LFS_HSM_CLEAR, clear the flags.
8168 static int lfs_hsm_change_flags(int argc, char **argv, int mode)
8170 struct option long_opts[] = {
8171 { .val = 'A', .name = "archived", .has_arg = no_argument },
8172 { .val = 'a', .name = "noarchive", .has_arg = no_argument },
8173 { .val = 'd', .name = "dirty", .has_arg = no_argument },
8174 { .val = 'e', .name = "exists", .has_arg = no_argument },
8175 { .val = 'l', .name = "lost", .has_arg = no_argument },
8176 { .val = 'r', .name = "norelease", .has_arg = no_argument },
8177 { .val = 'i', .name = "archive-id", .has_arg = required_argument },
8179 char short_opts[] = "lraAdei:";
8183 __u32 archive_id = 0;
8189 while ((c = getopt_long(argc, argv, short_opts,
8190 long_opts, NULL)) != -1) {
8196 mask |= HS_NOARCHIVE;
8199 mask |= HS_ARCHIVED;
8202 mask |= HS_NORELEASE;
8211 archive_id = strtol(optarg, &end, 10);
8213 fprintf(stderr, "invalid archive_id: '%s'\n",
8221 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8222 argv[0], argv[optind - 1]);
8227 /* User should have specified a flag */
8231 while (optind < argc) {
8233 path = argv[optind];
8235 /* If mode == 0, this means we apply the mask. */
8236 if (mode == LFS_HSM_SET)
8237 rc = llapi_hsm_state_set(path, mask, 0, archive_id);
8239 rc = llapi_hsm_state_set(path, 0, mask, 0);
8242 fprintf(stderr, "Can't change hsm flags for %s: %s\n",
8243 path, strerror(errno = -rc));
8252 static int lfs_hsm_action(int argc, char **argv)
8257 struct hsm_current_action hca;
8258 struct hsm_extent he;
8259 enum hsm_user_action hua;
8260 enum hsm_progress_states hps;
8268 rc = llapi_hsm_current_action(path, &hca);
8270 fprintf(stderr, "can't get hsm action for %s: %s\n",
8271 path, strerror(errno = -rc));
8274 he = hca.hca_location;
8275 hua = hca.hca_action;
8276 hps = hca.hca_state;
8278 printf("%s: %s", path, hsm_user_action2name(hua));
8280 /* Skip file without action */
8281 if (hca.hca_action == HUA_NONE) {
8286 printf(" %s ", hsm_progress_state2name(hps));
8288 if ((hps == HPS_RUNNING) &&
8289 (hua == HUA_ARCHIVE || hua == HUA_RESTORE))
8290 printf("(%llu bytes moved)\n",
8291 (unsigned long long)he.length);
8292 else if ((he.offset + he.length) == LUSTRE_EOF)
8293 printf("(from %llu to EOF)\n",
8294 (unsigned long long)he.offset);
8296 printf("(from %llu to %llu)\n",
8297 (unsigned long long)he.offset,
8298 (unsigned long long)(he.offset + he.length));
8300 } while (++i < argc);
8305 static int lfs_hsm_set(int argc, char **argv)
8307 return lfs_hsm_change_flags(argc, argv, LFS_HSM_SET);
8310 static int lfs_hsm_clear(int argc, char **argv)
8312 return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
8316 * Check file state and return its fid, to be used by lfs_hsm_request().
8318 * \param[in] file Path to file to check
8319 * \param[in,out] fid Pointer to allocated lu_fid struct.
8320 * \param[in,out] last_dev Pointer to last device id used.
8322 * \return 0 on success.
8324 static int lfs_hsm_prepare_file(const char *file, struct lu_fid *fid,
8330 rc = lstat(file, &st);
8332 fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
8335 /* Checking for regular file as archiving as posix copytool
8336 * rejects archiving files other than regular files
8338 if (!S_ISREG(st.st_mode)) {
8339 fprintf(stderr, "error: \"%s\" is not a regular file\n", file);
8342 /* A request should be ... */
8343 if (*last_dev != st.st_dev && *last_dev != 0) {
8344 fprintf(stderr, "All files should be "
8345 "on the same filesystem: %s\n", file);
8348 *last_dev = st.st_dev;
8350 rc = llapi_path2fid(file, fid);
8352 fprintf(stderr, "Cannot read FID of %s: %s\n",
8353 file, strerror(-rc));
8359 /* Fill an HSM HUR item with a given file name.
8361 * If mntpath is set, then the filename is actually a FID, and no
8362 * lookup on the filesystem will be performed.
8364 * \param[in] hur the user request to fill
8365 * \param[in] idx index of the item inside the HUR to fill
8366 * \param[in] mntpath mountpoint of Lustre
8367 * \param[in] fname filename (if mtnpath is NULL)
8368 * or FID (if mntpath is set)
8369 * \param[in] last_dev pointer to last device id used
8371 * \retval 0 on success
8372 * \retval CMD_HELP or a negative errno on error
8374 static int fill_hur_item(struct hsm_user_request *hur, unsigned int idx,
8375 const char *mntpath, const char *fname,
8378 struct hsm_user_item *hui = &hur->hur_user_item[idx];
8381 hui->hui_extent.length = -1;
8383 if (mntpath != NULL) {
8384 rc = llapi_fid_parse(fname, &hui->hui_fid, NULL);
8386 fprintf(stderr, "hsm: '%s' is not a valid FID\n",
8389 rc = lfs_hsm_prepare_file(fname, &hui->hui_fid, last_dev);
8393 hur->hur_request.hr_itemcount++;
8398 static int lfs_hsm_request(int argc, char **argv, int action)
8400 struct option long_opts[] = {
8401 { .val = 'a', .name = "archive", .has_arg = required_argument },
8402 { .val = 'D', .name = "data", .has_arg = required_argument },
8403 { .val = 'l', .name = "filelist", .has_arg = required_argument },
8404 { .val = 'm', .name = "mntpath", .has_arg = required_argument },
8407 char short_opts[] = "l:D:a:m:";
8408 struct hsm_user_request *hur, *oldhur;
8413 char *filelist = NULL;
8414 char fullpath[PATH_MAX];
8415 char *opaque = NULL;
8419 int nbfile_alloc = 0;
8420 char *some_file = NULL;
8421 char *mntpath = NULL;
8427 while ((c = getopt_long(argc, argv, short_opts,
8428 long_opts, NULL)) != -1) {
8437 if (action != HUA_ARCHIVE &&
8438 action != HUA_REMOVE) {
8440 "error: -a is supported only "
8441 "when archiving or removing\n");
8444 archive_id = atoi(optarg);
8447 if (some_file == NULL) {
8449 some_file = strdup(optarg);
8455 fprintf(stderr, "error: %s: option '%s' unrecognized\n",
8456 argv[0], argv[optind - 1]);
8461 /* All remaining args are files, so we have at least nbfile */
8462 nbfile = argc - optind;
8464 if ((nbfile == 0) && (filelist == NULL))
8468 opaque_len = strlen(opaque);
8470 /* Alloc the request structure with enough place to store all files
8471 * from command line. */
8472 hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
8474 fprintf(stderr, "Cannot create the request: %s\n",
8478 nbfile_alloc = nbfile;
8480 hur->hur_request.hr_action = action;
8481 hur->hur_request.hr_archive_id = archive_id;
8482 hur->hur_request.hr_flags = 0;
8484 /* All remaining args are files, add them */
8485 if (nbfile != 0 && some_file == NULL)
8486 some_file = strdup(argv[optind]);
8488 for (i = 0; i < nbfile; i++) {
8489 rc = fill_hur_item(hur, i, mntpath, argv[optind + i],
8495 /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
8497 /* If a filelist was specified, read the filelist from it. */
8498 if (filelist != NULL) {
8499 fp = fopen(filelist, "r");
8501 fprintf(stderr, "Cannot read the file list %s: %s\n",
8502 filelist, strerror(errno));
8507 while ((rc = getline(&line, &len, fp)) != -1) {
8508 /* If allocated buffer was too small, get something
8510 if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
8513 nbfile_alloc = nbfile_alloc * 2 + 1;
8515 hur = llapi_hsm_user_request_alloc(nbfile_alloc,
8518 fprintf(stderr, "hsm: cannot allocate "
8519 "the request: %s\n",
8526 size = hur_len(oldhur);
8528 fprintf(stderr, "hsm: cannot allocate "
8529 "%u files + %u bytes data\n",
8530 oldhur->hur_request.hr_itemcount,
8531 oldhur->hur_request.hr_data_len);
8538 memcpy(hur, oldhur, size);
8543 if (line[strlen(line) - 1] == '\n')
8544 line[strlen(line) - 1] = '\0';
8546 rc = fill_hur_item(hur, hur->hur_request.hr_itemcount,
8547 mntpath, line, &last_dev);
8553 if (some_file == NULL) {
8563 /* If a --data was used, add it to the request */
8564 hur->hur_request.hr_data_len = opaque_len;
8566 memcpy(hur_data(hur), opaque, opaque_len);
8568 /* Send the HSM request */
8569 if (realpath(some_file, fullpath) == NULL) {
8570 fprintf(stderr, "Could not find path '%s': %s\n",
8571 some_file, strerror(errno));
8573 rc = llapi_hsm_request(fullpath, hur);
8575 fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
8576 some_file, strerror(-rc));
8586 static int lfs_hsm_archive(int argc, char **argv)
8588 return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
8591 static int lfs_hsm_restore(int argc, char **argv)
8593 return lfs_hsm_request(argc, argv, HUA_RESTORE);
8596 static int lfs_hsm_release(int argc, char **argv)
8598 return lfs_hsm_request(argc, argv, HUA_RELEASE);
8601 static int lfs_hsm_remove(int argc, char **argv)
8603 return lfs_hsm_request(argc, argv, HUA_REMOVE);
8606 static int lfs_hsm_cancel(int argc, char **argv)
8608 return lfs_hsm_request(argc, argv, HUA_CANCEL);
8611 static int lfs_swap_layouts(int argc, char **argv)
8616 return llapi_swap_layouts(argv[1], argv[2], 0, 0,
8617 SWAP_LAYOUTS_KEEP_MTIME |
8618 SWAP_LAYOUTS_KEEP_ATIME);
8621 static const char *const ladvise_names[] = LU_LADVISE_NAMES;
8623 static const char *const lock_mode_names[] = LOCK_MODE_NAMES;
8625 int lfs_get_mode(const char *string)
8627 enum lock_mode_user mode;
8629 for (mode = 0; mode < ARRAY_SIZE(lock_mode_names); mode++) {
8630 if (lock_mode_names[mode] == NULL)
8632 if (strcmp(string, lock_mode_names[mode]) == 0)
8639 static enum lu_ladvise_type lfs_get_ladvice(const char *string)
8641 enum lu_ladvise_type advice;
8644 advice < ARRAY_SIZE(ladvise_names); advice++) {
8645 if (ladvise_names[advice] == NULL)
8647 if (strcmp(string, ladvise_names[advice]) == 0)
8651 return LU_LADVISE_INVALID;
8654 static int lfs_ladvise(int argc, char **argv)
8656 struct option long_opts[] = {
8657 { .val = 'a', .name = "advice", .has_arg = required_argument },
8658 { .val = 'b', .name = "background", .has_arg = no_argument },
8659 { .val = 'e', .name = "end", .has_arg = required_argument },
8660 { .val = 'l', .name = "length", .has_arg = required_argument },
8661 { .val = 'm', .name = "mode", .has_arg = required_argument },
8662 { .val = 's', .name = "start", .has_arg = required_argument },
8663 { .val = 'u', .name = "unset", .has_arg = no_argument },
8665 char short_opts[] = "a:be:l:m:s:u";
8670 struct llapi_lu_ladvise advice;
8671 enum lu_ladvise_type advice_type = LU_LADVISE_INVALID;
8672 unsigned long long start = 0;
8673 unsigned long long end = LUSTRE_EOF;
8674 unsigned long long length = 0;
8675 unsigned long long size_units;
8676 unsigned long long flags = 0;
8680 while ((c = getopt_long(argc, argv, short_opts,
8681 long_opts, NULL)) != -1) {
8684 advice_type = lfs_get_ladvice(optarg);
8685 if (advice_type == LU_LADVISE_INVALID) {
8686 fprintf(stderr, "%s: invalid advice type "
8687 "'%s'\n", argv[0], optarg);
8688 fprintf(stderr, "Valid types:");
8690 for (advice_type = 0;
8691 advice_type < ARRAY_SIZE(ladvise_names);
8693 if (ladvise_names[advice_type] == NULL)
8695 fprintf(stderr, " %s",
8696 ladvise_names[advice_type]);
8698 fprintf(stderr, "\n");
8711 rc = llapi_parse_size(optarg, &end,
8714 fprintf(stderr, "%s: bad end offset '%s'\n",
8721 rc = llapi_parse_size(optarg, &start,
8724 fprintf(stderr, "%s: bad start offset "
8725 "'%s'\n", argv[0], optarg);
8731 rc = llapi_parse_size(optarg, &length,
8734 fprintf(stderr, "%s: bad length '%s'\n",
8740 mode = lfs_get_mode(optarg);
8742 fprintf(stderr, "%s: bad mode '%s', valid "
8743 "modes are READ or WRITE\n",
8751 fprintf(stderr, "%s: option '%s' unrecognized\n",
8752 argv[0], argv[optind - 1]);
8757 if (advice_type == LU_LADVISE_INVALID) {
8758 fprintf(stderr, "%s: please give an advice type\n", argv[0]);
8759 fprintf(stderr, "Valid types:");
8760 for (advice_type = 0; advice_type < ARRAY_SIZE(ladvise_names);
8762 if (ladvise_names[advice_type] == NULL)
8764 fprintf(stderr, " %s", ladvise_names[advice_type]);
8766 fprintf(stderr, "\n");
8770 if (advice_type == LU_LADVISE_LOCKNOEXPAND) {
8771 fprintf(stderr, "%s: Lock no expand advice is a per file "
8772 "descriptor advice, so when called from lfs, "
8773 "it does nothing.\n", argv[0]);
8777 if (argc <= optind) {
8778 fprintf(stderr, "%s: please give one or more file names\n",
8783 if (end != LUSTRE_EOF && length != 0 && end != start + length) {
8784 fprintf(stderr, "%s: conflicting arguments of -l and -e\n",
8789 if (end == LUSTRE_EOF && length != 0)
8790 end = start + length;
8793 fprintf(stderr, "%s: range [%llu, %llu] is invalid\n",
8794 argv[0], start, end);
8798 if (advice_type != LU_LADVISE_LOCKAHEAD && mode != 0) {
8799 fprintf(stderr, "%s: mode is only valid with lockahead\n",
8804 if (advice_type == LU_LADVISE_LOCKAHEAD && mode == 0) {
8805 fprintf(stderr, "%s: mode is required with lockahead\n",
8810 while (optind < argc) {
8813 path = argv[optind++];
8815 fd = open(path, O_RDONLY);
8817 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8818 argv[0], path, strerror(errno));
8823 advice.lla_start = start;
8824 advice.lla_end = end;
8825 advice.lla_advice = advice_type;
8826 advice.lla_value1 = 0;
8827 advice.lla_value2 = 0;
8828 advice.lla_value3 = 0;
8829 advice.lla_value4 = 0;
8830 if (advice_type == LU_LADVISE_LOCKAHEAD) {
8831 advice.lla_lockahead_mode = mode;
8832 advice.lla_peradvice_flags = flags;
8835 rc2 = llapi_ladvise(fd, flags, 1, &advice);
8838 fprintf(stderr, "%s: cannot give advice '%s' to file "
8839 "'%s': %s\n", argv[0],
8840 ladvise_names[advice_type],
8841 path, strerror(errno));
8847 if (rc == 0 && rc2 < 0)
8853 static const char *const heat_names[] = LU_HEAT_NAMES;
8855 static int lfs_heat_get(int argc, char **argv)
8857 struct lu_heat *heat;
8866 heat = calloc(sizeof(*heat) + sizeof(__u64) * OBD_HEAT_COUNT, 1);
8868 fprintf(stderr, "%s: memory allocation failed\n", argv[0]);
8873 while (optind < argc) {
8874 path = argv[optind++];
8876 fd = open(path, O_RDONLY);
8878 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8879 argv[0], path, strerror(errno));
8884 heat->lh_count = OBD_HEAT_COUNT;
8885 rc2 = llapi_heat_get(fd, heat);
8888 fprintf(stderr, "%s: cannot get heat of file '%s'"
8889 ": %s\n", argv[0], path, strerror(errno));
8893 printf("flags: %x\n", heat->lh_flags);
8894 for (i = 0; i < heat->lh_count; i++)
8895 printf("%s: %llu\n", heat_names[i],
8896 (unsigned long long)heat->lh_heat[i]);
8898 if (rc == 0 && rc2 < 0)
8906 static int lfs_heat_set(int argc, char **argv)
8908 struct option long_opts[] = {
8909 { .val = 'c', .name = "clear", .has_arg = no_argument },
8910 { .val = 'o', .name = "off", .has_arg = no_argument },
8911 { .val = 'O', .name = "on", .has_arg = no_argument },
8913 enum lu_heat_flag flags = 0;
8923 while ((c = getopt_long(argc, argv, "coO", long_opts, NULL)) != -1) {
8926 flags |= LU_HEAT_FLAG_CLEAR;
8929 flags |= LU_HEAT_FLAG_CLEAR;
8930 flags |= LU_HEAT_FLAG_OFF;
8933 flags &= ~LU_HEAT_FLAG_OFF;
8938 fprintf(stderr, "%s: option '%s' unrecognized\n",
8939 argv[0], argv[optind - 1]);
8944 if (argc <= optind) {
8945 fprintf(stderr, "%s: please give one or more file names\n",
8950 while (optind < argc) {
8951 path = argv[optind++];
8953 fd = open(path, O_RDONLY);
8955 fprintf(stderr, "%s: cannot open file '%s': %s\n",
8956 argv[0], path, strerror(errno));
8961 rc2 = llapi_heat_set(fd, flags);
8964 fprintf(stderr, "%s: cannot setflags heat of file '%s'"
8965 ": %s\n", argv[0], path, strerror(errno));
8969 if (rc == 0 && rc2 < 0)
8975 /** The input string contains a comma delimited list of component ids and
8976 * ranges, for example "1,2-4,7".
8978 static int parse_mirror_ids(__u16 *ids, int size, char *arg)
8980 bool end_of_loop = false;
8988 while (!end_of_loop) {
8992 char *endptr = NULL;
8995 ptr = strchrnul(arg, ',');
8996 end_of_loop = *ptr == '\0';
8999 start_index = strtol(arg, &endptr, 0);
9000 if (endptr == arg) /* no data at all */
9002 if (*endptr != '-' && *endptr != '\0') /* has invalid data */
9004 if (start_index < 0)
9007 end_index = start_index;
9008 if (*endptr == '-') {
9009 end_index = strtol(endptr + 1, &endptr, 0);
9010 if (*endptr != '\0')
9012 if (end_index < start_index)
9016 for (i = start_index; i <= end_index && size > 0; i++) {
9019 /* remove duplicate */
9020 for (j = 0; j < nr; j++) {
9024 if (j == nr) { /* no duplicate */
9030 if (size == 0 && i < end_index)
9037 if (!end_of_loop && ptr != NULL)
9040 return rc < 0 ? rc : nr;
9044 * struct verify_mirror_id - Mirror id to be verified.
9045 * @mirror_id: A specified mirror id.
9046 * @is_valid_id: @mirror_id is valid or not in the mirrored file.
9048 struct verify_mirror_id {
9054 * compare_mirror_ids() - Compare mirror ids.
9055 * @layout: Mirror component list.
9056 * @cbdata: Callback data in verify_mirror_id structure.
9058 * This is a callback function called by llapi_layout_comp_iterate()
9059 * to compare the specified mirror id with the one in the current
9060 * component of @layout. If they are the same, then the specified
9061 * mirror id is valid.
9063 * Return: a negative error code on failure or
9064 * LLAPI_LAYOUT_ITER_CONT: Proceed iteration
9065 * LLAPI_LAYOUT_ITER_STOP: Stop iteration
9068 int compare_mirror_ids(struct llapi_layout *layout, void *cbdata)
9070 struct verify_mirror_id *mirror_id_cbdata =
9071 (struct verify_mirror_id *)cbdata;
9075 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
9079 "%s: llapi_layout_mirror_id_get failed: %s.\n",
9080 progname, strerror(errno));
9084 if (mirror_id_cbdata->mirror_id == mirror_id) {
9085 mirror_id_cbdata->is_valid_id = true;
9086 return LLAPI_LAYOUT_ITER_STOP;
9089 return LLAPI_LAYOUT_ITER_CONT;
9093 * verify_mirror_ids() - Verify specified mirror ids.
9094 * @fname: Mirrored file name.
9095 * @mirror_ids: Specified mirror ids to be verified.
9096 * @ids_nr: Number of specified mirror ids.
9098 * This function verifies that specified @mirror_ids are valid
9099 * in the mirrored file @fname.
9101 * Return: 0 on success or a negative error code on failure.
9104 int verify_mirror_ids(const char *fname, __u16 *mirror_ids, int ids_nr)
9106 struct llapi_layout *layout = NULL;
9107 struct verify_mirror_id mirror_id_cbdata = { 0 };
9118 if (stat(fname, &stbuf) < 0) {
9119 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9120 progname, fname, strerror(errno));
9125 if (!S_ISREG(stbuf.st_mode)) {
9126 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9132 fd = open(fname, O_DIRECT | O_RDONLY);
9134 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9135 progname, fname, strerror(errno));
9140 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
9142 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
9143 progname, fname, strerror(errno));
9147 layout = llapi_layout_get_by_fd(fd, 0);
9148 if (layout == NULL) {
9149 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9150 progname, fname, strerror(errno));
9152 llapi_lease_release(fd);
9156 rc = llapi_layout_flags_get(layout, &flr_state);
9158 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9159 progname, fname, strerror(errno));
9164 flr_state &= LCM_FL_FLR_MASK;
9165 switch (flr_state) {
9168 fprintf(stderr, "%s: '%s' file state error: %s.\n",
9169 progname, fname, llapi_layout_flags_string(flr_state));
9176 for (i = 0; i < ids_nr; i++) {
9177 mirror_id_cbdata.mirror_id = mirror_ids[i];
9178 mirror_id_cbdata.is_valid_id = false;
9180 rc = llapi_layout_comp_iterate(layout, compare_mirror_ids,
9185 "%s: '%s' failed to verify mirror id: %u.\n",
9186 progname, fname, mirror_ids[i]);
9190 if (!mirror_id_cbdata.is_valid_id) {
9193 "%s: '%s' invalid specified mirror id: %u.\n",
9194 progname, fname, mirror_ids[i]);
9200 llapi_layout_free(layout);
9201 llapi_lease_release(fd);
9209 int lfs_mirror_resync_file(const char *fname, struct ll_ioc_lease *ioc,
9210 __u16 *mirror_ids, int ids_nr)
9212 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9213 struct llapi_layout *layout;
9224 if (stat(fname, &stbuf) < 0) {
9225 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
9226 progname, fname, strerror(errno));
9230 if (!S_ISREG(stbuf.st_mode)) {
9231 fprintf(stderr, "%s: '%s' is not a regular file.\n",
9237 fd = open(fname, O_DIRECT | O_RDWR);
9239 fprintf(stderr, "%s: cannot open '%s': %s.\n",
9240 progname, fname, strerror(errno));
9245 layout = llapi_layout_get_by_fd(fd, 0);
9246 if (layout == NULL) {
9247 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
9248 progname, fname, strerror(errno));
9253 rc = llapi_layout_flags_get(layout, &flr_state);
9255 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
9256 progname, fname, strerror(errno));
9261 flr_state &= LCM_FL_FLR_MASK;
9262 if (flr_state == LCM_FL_NONE) {
9264 fprintf(stderr, "%s: '%s' is not a FLR file.\n",
9269 /* get stale component info */
9270 comp_size = llapi_mirror_find_stale(layout, comp_array,
9271 ARRAY_SIZE(comp_array),
9272 mirror_ids, ids_nr);
9273 if (comp_size <= 0) {
9278 ioc->lil_mode = LL_LEASE_WRLCK;
9279 ioc->lil_flags = LL_LEASE_RESYNC;
9280 rc = llapi_lease_set(fd, ioc);
9282 if (rc == -EALREADY)
9286 "%s: '%s' llapi_lease_get_ext resync failed: %s.\n",
9287 progname, fname, strerror(-rc));
9291 /* get the read range [start, end) */
9292 start = comp_array[0].lrc_start;
9293 end = comp_array[0].lrc_end;
9294 for (idx = 1; idx < comp_size; idx++) {
9295 if (comp_array[idx].lrc_start < start)
9296 start = comp_array[idx].lrc_start;
9297 if (end < comp_array[idx].lrc_end)
9298 end = comp_array[idx].lrc_end;
9301 rc = llapi_lease_check(fd);
9302 if (rc != LL_LEASE_WRLCK) {
9303 fprintf(stderr, "%s: '%s' lost lease lock.\n",
9308 rc = llapi_mirror_resync_many(fd, layout, comp_array, comp_size,
9311 fprintf(stderr, "%s: '%s' llapi_mirror_resync_many: %s.\n",
9312 progname, fname, strerror(-rc));
9314 /* need to do the lease unlock even resync fails */
9315 ioc->lil_mode = LL_LEASE_UNLCK;
9316 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
9318 for (idx = 0; idx < comp_size; idx++) {
9319 if (comp_array[idx].lrc_synced) {
9320 ioc->lil_ids[ioc->lil_count] = comp_array[idx].lrc_id;
9325 rc2 = llapi_lease_set(fd, ioc);
9327 * llapi_lease_set returns lease mode when it request to unlock
9331 /* rc2 == 0 means lost lease lock */
9332 if (rc2 == 0 && rc == 0)
9334 fprintf(stderr, "%s: resync file '%s' failed: %s.\n",
9336 rc2 == 0 ? "lost lease lock" : strerror(-rc2));
9340 llapi_layout_free(layout);
9347 static inline int lfs_mirror_resync(int argc, char **argv)
9349 struct ll_ioc_lease *ioc = NULL;
9350 __u16 mirror_ids[128] = { 0 };
9355 struct option long_opts[] = {
9356 { .val = 'o', .name = "only", .has_arg = required_argument },
9359 while ((c = getopt_long(argc, argv, "o:", long_opts, NULL)) >= 0) {
9362 rc = parse_mirror_ids(mirror_ids,
9363 sizeof(mirror_ids) / sizeof(__u16),
9367 "%s: bad mirror ids '%s'.\n",
9374 fprintf(stderr, "%s: options '%s' unrecognized.\n",
9375 argv[0], argv[optind - 1]);
9381 if (argc == optind) {
9382 fprintf(stderr, "%s: no file name given.\n", argv[0]);
9387 if (ids_nr > 0 && argc > optind + 1) {
9389 "%s: option '--only' cannot be used upon multiple files.\n",
9397 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
9402 /* set the lease on the file */
9403 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
9405 fprintf(stderr, "%s: cannot alloc id array for ioc: %s.\n",
9406 argv[0], strerror(errno));
9411 for (; optind < argc; optind++) {
9412 rc = lfs_mirror_resync_file(argv[optind], ioc,
9413 mirror_ids, ids_nr);
9414 /* ignore previous file's error, continue with next file */
9417 memset(ioc, 0, sizeof(*ioc) + sizeof(__u32) * 4096);
9425 static inline int verify_mirror_id_by_fd(int fd, __u16 mirror_id)
9427 struct llapi_layout *layout;
9430 layout = llapi_layout_get_by_fd(fd, 0);
9431 if (layout == NULL) {
9432 fprintf(stderr, "could not get layout.\n");
9436 rc = llapi_layout_comp_iterate(layout, find_mirror_id, &mirror_id);
9438 fprintf(stderr, "failed to iterate layout\n");
9439 llapi_layout_free(layout);
9442 } else if (rc == LLAPI_LAYOUT_ITER_CONT) {
9443 fprintf(stderr, "does not find mirror with ID %u\n", mirror_id);
9444 llapi_layout_free(layout);
9448 llapi_layout_free(layout);
9454 * Check whether two files are the same file
9455 * \retval 0 same file
9456 * \retval 1 not the same file
9457 * \retval <0 error code
9459 static inline int check_same_file(const char *f1, const char *f2)
9464 if (stat(f1, &stbuf1) < 0) {
9465 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9466 progname, f1, strerror(errno));
9470 if (stat(f2, &stbuf2) < 0) {
9471 fprintf(stderr, "%s: cannot stat file '%s': %s\n",
9472 progname, f2, strerror(errno));
9476 if (stbuf1.st_rdev == stbuf2.st_rdev &&
9477 stbuf1.st_ino == stbuf2.st_ino)
9483 static inline int lfs_mirror_read(int argc, char **argv)
9486 __u16 mirror_id = 0;
9487 const char *outfile = NULL;
9493 const size_t buflen = 4 << 20;
9495 struct option long_opts[] = {
9496 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9497 { .val = 'o', .name = "outfile", .has_arg = required_argument },
9500 while ((c = getopt_long(argc, argv, "N:o:", long_opts, NULL)) >= 0) {
9505 mirror_id = strtoul(optarg, &end, 0);
9506 if (*end != '\0' || mirror_id == 0) {
9508 "%s %s: invalid mirror ID '%s'\n",
9509 progname, argv[0], optarg);
9517 fprintf(stderr, "%s: option '%s' unrecognized.\n",
9518 progname, argv[optind - 1]);
9523 if (argc == optind) {
9524 fprintf(stderr, "%s %s: no mirrored file provided\n",
9527 } else if (argc > optind + 1) {
9528 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9532 if (mirror_id == 0) {
9533 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9538 /* open mirror file */
9539 fname = argv[optind];
9542 rc = check_same_file(fname, outfile);
9545 "%s %s: output file cannot be the mirrored file\n",
9553 fd = open(fname, O_DIRECT | O_RDONLY);
9555 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9556 progname, argv[0], fname, strerror(errno));
9560 /* verify mirror id */
9561 rc = verify_mirror_id_by_fd(fd, mirror_id);
9564 "%s %s: cannot find mirror with ID %u in '%s'\n",
9565 progname, argv[0], mirror_id, fname);
9569 /* open output file */
9571 outfd = open(outfile, O_EXCL | O_WRONLY | O_CREAT, 0644);
9573 fprintf(stderr, "%s %s: cannot create file '%s': %s\n",
9574 progname, argv[0], outfile, strerror(errno));
9579 outfd = STDOUT_FILENO;
9582 /* allocate buffer */
9583 rc = posix_memalign(&buf, sysconf(_SC_PAGESIZE), buflen);
9585 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9586 progname, argv[0], rc);
9593 ssize_t written = 0;
9595 bytes_read = llapi_mirror_read(fd, mirror_id, buf, buflen, pos);
9596 if (bytes_read < 0) {
9599 "%s %s: fail to read data from mirror %u: %s\n",
9600 progname, argv[0], mirror_id, strerror(-rc));
9605 if (bytes_read == 0)
9608 while (written < bytes_read) {
9611 written2 = write(outfd, buf + written,
9612 bytes_read - written);
9615 "%s %s: fail to write %s: %s\n",
9616 progname, argv[0], outfile ? : "STDOUT",
9621 written += written2;
9624 if (written != bytes_read) {
9626 "%s %s: written %ld bytes does not match with %ld read.\n",
9627 progname, argv[0], written, bytes_read);
9649 static inline int lfs_mirror_write(int argc, char **argv)
9652 __u16 mirror_id = 0;
9653 const char *inputfile = NULL;
9659 const size_t buflen = 4 << 20;
9661 size_t page_size = sysconf(_SC_PAGESIZE);
9662 struct ll_ioc_lease_id ioc;
9664 struct option long_opts[] = {
9665 { .val = 'N', .name = "mirror-id", .has_arg = required_argument },
9666 { .val = 'i', .name = "inputfile", .has_arg = required_argument },
9669 while ((c = getopt_long(argc, argv, "N:i:", long_opts, NULL)) >= 0) {
9674 mirror_id = strtoul(optarg, &end, 0);
9675 if (*end != '\0' || mirror_id == 0) {
9677 "%s %s: invalid mirror ID '%s'\n",
9678 progname, argv[0], optarg);
9686 fprintf(stderr, "%s: option '%s' unrecognized\n",
9687 progname, argv[optind - 1]);
9692 if (argc == optind) {
9693 fprintf(stderr, "%s %s: no mirrored file provided\n",
9696 } else if (argc > optind + 1) {
9697 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9701 if (mirror_id == 0) {
9702 fprintf(stderr, "%s %s: no valid mirror ID is provided\n",
9707 /* open mirror file */
9708 fname = argv[optind];
9711 rc = check_same_file(fname, inputfile);
9714 "%s %s: input file cannot be the mirrored file\n",
9722 fd = open(fname, O_DIRECT | O_WRONLY);
9724 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9725 progname, argv[0], fname, strerror(errno));
9729 /* verify mirror id */
9730 rc = verify_mirror_id_by_fd(fd, mirror_id);
9733 "%s %s: cannot find mirror with ID %u in '%s'\n",
9734 progname, argv[0], mirror_id, fname);
9738 /* open input file */
9740 inputfd = open(inputfile, O_RDONLY, 0644);
9742 fprintf(stderr, "%s %s: cannot open file '%s': %s\n",
9743 progname, argv[0], inputfile, strerror(errno));
9748 inputfd = STDIN_FILENO;
9751 /* allocate buffer */
9752 rc = posix_memalign(&buf, page_size, buflen);
9754 fprintf(stderr, "%s %s: posix_memalign returns %d\n",
9755 progname, argv[0], rc);
9759 /* prepare target mirror components instantiation */
9760 ioc.lil_mode = LL_LEASE_WRLCK;
9761 ioc.lil_flags = LL_LEASE_RESYNC;
9762 ioc.lil_mirror_id = mirror_id;
9763 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9766 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
9767 progname, argv[0], fname, strerror(errno));
9777 rc = llapi_lease_check(fd);
9778 if (rc != LL_LEASE_WRLCK) {
9779 fprintf(stderr, "%s %s: '%s' lost lease lock\n",
9780 progname, argv[0], fname);
9784 bytes_read = read(inputfd, buf, buflen);
9785 if (bytes_read < 0) {
9788 "%s %s: fail to read data from '%s': %s\n",
9789 progname, argv[0], inputfile ? : "STDIN",
9796 if (bytes_read == 0)
9799 /* round up to page align to make direct IO happy. */
9800 to_write = (bytes_read + page_size - 1) & ~(page_size - 1);
9802 written = llapi_mirror_write(fd, mirror_id, buf, to_write,
9807 "%s %s: fail to write to mirror %u: %s\n",
9808 progname, argv[0], mirror_id,
9816 if (pos & (page_size - 1)) {
9817 rc = llapi_mirror_truncate(fd, mirror_id, pos);
9822 ioc.lil_mode = LL_LEASE_UNLCK;
9823 ioc.lil_flags = LL_LEASE_RESYNC_DONE;
9825 rc = llapi_lease_set(fd, (struct ll_ioc_lease *)&ioc);
9830 "%s %s: release lease lock of '%s' failed: %s\n",
9831 progname, argv[0], fname, strerror(errno));
9848 static inline int get_other_mirror_ids(int fd, __u16 *ids, __u16 exclude_id)
9850 struct llapi_layout *layout;
9851 struct collect_ids_data cid = { .cid_ids = ids,
9853 .cid_exclude = exclude_id, };
9856 layout = llapi_layout_get_by_fd(fd, 0);
9857 if (layout == NULL) {
9858 fprintf(stderr, "could not get layout\n");
9862 rc = llapi_layout_comp_iterate(layout, collect_mirror_id, &cid);
9864 fprintf(stderr, "failed to iterate layout\n");
9865 llapi_layout_free(layout);
9869 llapi_layout_free(layout);
9871 return cid.cid_count;
9874 static inline int lfs_mirror_copy(int argc, char **argv)
9877 __u16 read_mirror_id = 0;
9878 __u16 ids[128] = { 0 };
9880 struct llapi_layout *layout = NULL;
9881 struct llapi_resync_comp comp_array[1024] = { { 0 } };
9888 struct ll_ioc_lease *ioc = NULL;
9889 struct ll_ioc_lease_id *resync_ioc;
9891 struct option long_opts[] = {
9892 { .val = 'i', .name = "read-mirror", .has_arg = required_argument },
9893 { .val = 'o', .name = "write-mirror", .has_arg = required_argument },
9896 while ((c = getopt_long(argc, argv, "i:o:", long_opts, NULL)) >= 0) {
9901 read_mirror_id = strtoul(optarg, &end, 0);
9902 if (*end != '\0' || read_mirror_id == 0) {
9904 "%s %s: invalid read mirror ID '%s'\n",
9905 progname, argv[0], optarg);
9910 if (!strcmp(optarg, "-1")) {
9911 /* specify all other mirrors */
9915 count = parse_mirror_ids((__u16 *)ids,
9923 fprintf(stderr, "%s: option '%s' unrecognized\n",
9924 progname, argv[optind - 1]);
9929 if (argc == optind) {
9930 fprintf(stderr, "%s %s: no mirrored file provided\n",
9933 } else if (argc > optind + 1) {
9934 fprintf(stderr, "%s %s: too many files\n", progname, argv[0]);
9938 if (read_mirror_id == 0) {
9940 "%s %s: no valid read mirror ID %d is provided\n",
9941 progname, argv[0], read_mirror_id);
9947 "%s %s: no write mirror ID is provided\n",
9952 for (i = 0; i < count; i++) {
9953 if (read_mirror_id == ids[i]) {
9955 "%s %s: read and write mirror ID cannot be the same\n",
9961 /* open mirror file */
9962 fname = argv[optind];
9964 fd = open(fname, O_DIRECT | O_RDWR);
9966 fprintf(stderr, "%s %s: cannot open '%s': %s\n",
9967 progname, argv[0], fname, strerror(errno));
9971 /* write to all other mirrors */
9972 if (ids[0] == (__u16)-1) {
9973 count = get_other_mirror_ids(fd, ids, read_mirror_id);
9977 "%s %s: failed to get other mirror ids in '%s': %d\n",
9978 progname, argv[0], fname, rc);
9983 /* verify mirror id */
9984 rc = verify_mirror_id_by_fd(fd, read_mirror_id);
9987 "%s %s: cannot find mirror with ID %u in '%s'\n",
9988 progname, argv[0], read_mirror_id, fname);
9992 for (i = 0; i < count; i++) {
9993 rc = verify_mirror_id_by_fd(fd, ids[i]);
9996 "%s %s: cannot find mirror with ID %u in '%s'\n",
9997 progname, argv[0], ids[i], fname);
10002 ioc = calloc(sizeof(*ioc) + sizeof(__u32) * 4096, 1);
10005 "%s %s: cannot alloc comp id array for ioc: %s\n",
10006 progname, argv[0], strerror(errno));
10011 /* get stale component info */
10012 layout = llapi_layout_get_by_fd(fd, 0);
10013 if (layout == NULL) {
10014 fprintf(stderr, "%s %s: failed to get layout of '%s': %s\n",
10015 progname, argv[0], fname, strerror(errno));
10019 comp_size = llapi_mirror_find_stale(layout, comp_array,
10020 ARRAY_SIZE(comp_array),
10022 llapi_layout_free(layout);
10023 if (comp_size < 0) {
10028 /* prepare target mirror components instantiation */
10029 resync_ioc = (struct ll_ioc_lease_id *)ioc;
10030 resync_ioc->lil_mode = LL_LEASE_WRLCK;
10031 resync_ioc->lil_flags = LL_LEASE_RESYNC;
10033 resync_ioc->lil_mirror_id = ids[0];
10035 resync_ioc->lil_mirror_id = read_mirror_id | MIRROR_ID_NEG;
10036 rc = llapi_lease_set(fd, ioc);
10039 "%s %s: '%s' llapi_lease_get_ext failed: %s\n",
10040 progname, argv[0], fname, strerror(errno));
10044 copied = llapi_mirror_copy_many(fd, read_mirror_id, ids, count);
10047 fprintf(stderr, "%s %s: copy error: %d\n",
10048 progname, argv[0], rc);
10052 fprintf(stdout, "mirror copied successfully: ");
10053 for (i = 0; i < copied; i++)
10054 fprintf(stdout, "%d ", ids[i]);
10055 fprintf(stdout, "\n");
10057 ioc->lil_mode = LL_LEASE_UNLCK;
10058 ioc->lil_flags = LL_LEASE_RESYNC_DONE;
10059 ioc->lil_count = 0;
10060 for (i = 0; i < comp_size; i++) {
10063 for (j = 0; j < copied; j++) {
10064 if (comp_array[i].lrc_mirror_id != ids[j])
10067 ioc->lil_ids[ioc->lil_count] = comp_array[i].lrc_id;
10071 rc = llapi_lease_set(fd, ioc);
10076 "%s %s: release lease lock of '%s' failed: %s\n",
10077 progname, argv[0], fname, strerror(errno));
10091 * struct verify_chunk - Mirror chunk to be verified.
10092 * @chunk: [start, end) of the chunk.
10093 * @mirror_count: Number of mirror ids in @mirror_id array.
10094 * @mirror_id: Array of valid mirror ids that cover the chunk.
10096 struct verify_chunk {
10097 struct lu_extent chunk;
10098 unsigned int mirror_count;
10099 __u16 mirror_id[LUSTRE_MIRROR_COUNT_MAX];
10103 * print_chunks() - Print chunk information.
10104 * @fname: Mirrored file name.
10105 * @chunks: Array of chunks.
10106 * @chunk_count: Number of chunks in @chunks array.
10108 * This function prints [start, end) of each chunk in @chunks
10109 * for mirrored file @fname, and also prints the valid mirror ids
10110 * that cover the chunk.
10115 void print_chunks(const char *fname, struct verify_chunk *chunks,
10121 fprintf(stdout, "Chunks to be verified in %s:\n", fname);
10122 for (i = 0; i < chunk_count; i++) {
10123 fprintf(stdout, DEXT, PEXT(&chunks[i].chunk));
10125 if (chunks[i].mirror_count == 0)
10126 fprintf(stdout, "\t[");
10128 fprintf(stdout, "\t[%u", chunks[i].mirror_id[0]);
10129 for (j = 1; j < chunks[i].mirror_count; j++)
10130 fprintf(stdout, ", %u", chunks[i].mirror_id[j]);
10132 fprintf(stdout, "]\t%u\n", chunks[i].mirror_count);
10134 fprintf(stdout, "\n");
10138 * print_checksums() - Print CRC-32 checksum values.
10139 * @chunk: A chunk and its corresponding valid mirror ids.
10140 * @crc: CRC-32 checksum values on the chunk for each valid mirror.
10142 * This function prints CRC-32 checksum values on @chunk for
10143 * each valid mirror that covers it.
10148 void print_checksums(struct verify_chunk *chunk, unsigned long *crc)
10153 "CRC-32 checksum value for chunk "DEXT":\n",
10154 PEXT(&chunk->chunk));
10155 for (i = 0; i < chunk->mirror_count; i++)
10156 fprintf(stdout, "Mirror %u:\t%#lx\n",
10157 chunk->mirror_id[i], crc[i]);
10158 fprintf(stdout, "\n");
10162 * filter_mirror_id() - Filter specified mirror ids.
10163 * @chunks: Array of chunks.
10164 * @chunk_count: Number of chunks in @chunks array.
10165 * @mirror_ids: Specified mirror ids to be verified.
10166 * @ids_nr: Number of specified mirror ids.
10168 * This function scans valid mirror ids that cover each chunk in @chunks
10169 * and filters specified mirror ids.
10174 void filter_mirror_id(struct verify_chunk *chunks, int chunk_count,
10175 __u16 *mirror_ids, int ids_nr)
10180 __u16 valid_id[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10181 unsigned int valid_count = 0;
10183 for (i = 0; i < chunk_count; i++) {
10184 if (chunks[i].mirror_count == 0)
10188 for (j = 0; j < ids_nr; j++) {
10189 for (k = 0; k < chunks[i].mirror_count; k++) {
10190 if (chunks[i].mirror_id[k] == mirror_ids[j]) {
10191 valid_id[valid_count] = mirror_ids[j];
10198 memcpy(chunks[i].mirror_id, valid_id,
10199 sizeof(__u16) * valid_count);
10200 chunks[i].mirror_count = valid_count;
10205 * lfs_mirror_prepare_chunk() - Find mirror chunks to be verified.
10206 * @layout: Mirror component list.
10207 * @chunks: Array of chunks.
10208 * @chunks_size: Array size of @chunks.
10210 * This function scans the components in @layout from offset 0 to LUSTRE_EOF
10211 * to find out chunk segments and store them in @chunks array.
10213 * The @mirror_id array in each element of @chunks will store the valid
10214 * mirror ids that cover the chunk. If a mirror component covering the
10215 * chunk has LCME_FL_STALE or LCME_FL_OFFLINE flag, then the mirror id
10216 * will not be stored into the @mirror_id array, and the chunk for that
10217 * mirror will not be verified.
10219 * The @mirror_count in each element of @chunks will store the number of
10220 * mirror ids in @mirror_id array. If @mirror_count is 0, it indicates the
10221 * chunk is invalid in all of the mirrors. And if @mirror_count is 1, it
10222 * indicates the chunk is valid in only one mirror. In both cases, the
10223 * chunk will not be verified.
10225 * Here is an example:
10227 * 0 1M 2M 3M 4M EOF
10228 * +------+-------------+--------------------+
10229 * | | | S | mirror1
10230 * +------+------+------+------+-------------+
10231 * | | S | S | | mirror2
10232 * +-------------+------+------+-------------+
10234 * prepared @chunks array will contain 5 elements:
10235 * (([0, 1M), [1, 2], 2),
10236 * ([1M, 2M), [1, 2], 2),
10237 * ([2M, 3M), [1], 1),
10238 * ([3M, 4M], [], 0),
10239 * ([4M, EOF), [2], 1))
10241 * Return: the actual array size of @chunks on success
10242 * or a negative error code on failure.
10245 int lfs_mirror_prepare_chunk(struct llapi_layout *layout,
10246 struct verify_chunk *chunks,
10247 size_t chunks_size)
10251 uint32_t mirror_id;
10257 memset(chunks, 0, sizeof(*chunks) * chunks_size);
10260 rc = llapi_layout_comp_use(layout, LLAPI_LAYOUT_COMP_USE_FIRST);
10263 "%s: move to the first layout component: %s.\n",
10264 progname, strerror(errno));
10270 chunks[idx].chunk.e_end = LUSTRE_EOF;
10272 rc = llapi_layout_comp_extent_get(layout, &start, &end);
10275 "%s: llapi_layout_comp_extent_get failed: %s.\n",
10276 progname, strerror(errno));
10280 if (start > chunks[idx].chunk.e_start ||
10281 end <= chunks[idx].chunk.e_start)
10284 if (end < chunks[idx].chunk.e_end)
10285 chunks[idx].chunk.e_end = end;
10287 rc = llapi_layout_comp_flags_get(layout, &flags);
10290 "%s: llapi_layout_comp_flags_get failed: %s.\n",
10291 progname, strerror(errno));
10295 if (flags & LCME_FL_STALE || flags & LCME_FL_OFFLINE)
10298 rc = llapi_layout_mirror_id_get(layout, &mirror_id);
10301 "%s: llapi_layout_mirror_id_get failed: %s.\n",
10302 progname, strerror(errno));
10306 chunks[idx].mirror_id[i] = mirror_id;
10308 if (i >= ARRAY_SIZE(chunks[idx].mirror_id)) {
10310 "%s: mirror_id array is too small.\n",
10317 rc = llapi_layout_comp_use(layout,
10318 LLAPI_LAYOUT_COMP_USE_NEXT);
10321 "%s: move to the next layout component: %s.\n",
10322 progname, strerror(errno));
10325 } /* loop through all components */
10327 chunks[idx].mirror_count = i;
10329 if (chunks[idx].chunk.e_end == LUSTRE_EOF)
10333 if (idx >= chunks_size) {
10334 fprintf(stderr, "%s: chunks array is too small.\n",
10340 chunks[idx].chunk.e_start = chunks[idx - 1].chunk.e_end;
10344 return rc < 0 ? rc : idx + 1;
10348 * lfs_mirror_verify_chunk() - Verify a chunk.
10349 * @fd: File descriptor of the mirrored file.
10350 * @file_size: Size of the mirrored file.
10351 * @chunk: A chunk and its corresponding valid mirror ids.
10352 * @verbose: Verbose mode.
10354 * This function verifies a @chunk contains exactly the same data
10355 * ammong the mirrors that cover it.
10357 * If @verbose is specified, then the function will print where the
10358 * differences are if the data do not match. Otherwise, it will
10359 * just return an error in that case.
10361 * Return: 0 on success or a negative error code on failure.
10364 int lfs_mirror_verify_chunk(int fd, size_t file_size,
10365 struct verify_chunk *chunk, int verbose)
10367 const size_t buflen = 4 * 1024 * 1024; /* 4M */
10369 size_t page_size = sysconf(_SC_PAGESIZE);
10370 ssize_t bytes_read;
10371 ssize_t bytes_done;
10375 unsigned long crc_array[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10379 if (file_size == 0)
10382 rc = posix_memalign(&buf, page_size, buflen);
10383 if (rc) /* error code is returned directly */
10387 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10388 PEXT(&chunk->chunk));
10389 for (i = 0; i < chunk->mirror_count; i++)
10390 fprintf(stdout, " %u", chunk->mirror_id[i]);
10391 fprintf(stdout, "\n");
10395 count = MIN(chunk->chunk.e_end, file_size) - chunk->chunk.e_start;
10396 pos = chunk->chunk.e_start;
10397 while (bytes_done < count) {
10398 /* compute initial CRC-32 checksum */
10399 crc = crc32(0L, Z_NULL, 0);
10400 memset(crc_array, 0, sizeof(crc_array));
10403 for (i = 0; i < chunk->mirror_count; i++) {
10404 bytes_read = llapi_mirror_read(fd, chunk->mirror_id[i],
10406 if (bytes_read < 0) {
10409 "%s: failed to read data from mirror %u: %s.\n",
10410 progname, chunk->mirror_id[i],
10415 /* compute new CRC-32 checksum */
10416 crc_array[i] = crc32(crc, buf, bytes_read);
10420 print_checksums(chunk, crc_array);
10422 /* compare CRC-32 checksum values */
10423 for (i = 1; i < chunk->mirror_count; i++) {
10424 if (crc_array[i] != crc_array[0]) {
10428 "%s: chunk "DEXT" has different checksum value on mirror %u and mirror %u.\n",
10429 progname, PEXT(&chunk->chunk),
10430 chunk->mirror_id[0],
10431 chunk->mirror_id[i]);
10436 bytes_done += bytes_read;
10439 if (verbose > 1 && rc == 0) {
10440 fprintf(stdout, "Verifying chunk "DEXT" on mirror:",
10441 PEXT(&chunk->chunk));
10442 for (i = 0; i < chunk->mirror_count; i++)
10443 fprintf(stdout, " %u", chunk->mirror_id[i]);
10444 fprintf(stdout, " PASS\n\n");
10453 * lfs_mirror_verify_file() - Verify a mirrored file.
10454 * @fname: Mirrored file name.
10455 * @mirror_ids: Specified mirror ids to be verified.
10456 * @ids_nr: Number of specified mirror ids.
10457 * @verbose: Verbose mode.
10459 * This function verifies that each SYNC mirror of a mirrored file
10460 * specified by @fname contains exactly the same data.
10462 * If @mirror_ids is specified, then the function will verify the
10463 * mirrors specified by @mirror_ids contain exactly the same data.
10465 * If @verbose is specified, then the function will print where the
10466 * differences are if the data do not match. Otherwise, it will
10467 * just return an error in that case.
10469 * Return: 0 on success or a negative error code on failure.
10472 int lfs_mirror_verify_file(const char *fname, __u16 *mirror_ids, int ids_nr,
10475 struct verify_chunk chunks_array[1024] = { };
10476 struct llapi_layout *layout = NULL;
10478 uint32_t flr_state;
10480 int chunk_count = 0;
10486 if (stat(fname, &stbuf) < 0) {
10487 fprintf(stderr, "%s: cannot stat file '%s': %s.\n",
10488 progname, fname, strerror(errno));
10493 if (!S_ISREG(stbuf.st_mode)) {
10494 fprintf(stderr, "%s: '%s' is not a regular file.\n",
10500 if (stbuf.st_size == 0) {
10502 fprintf(stdout, "%s: '%s' file size is 0.\n",
10508 fd = open(fname, O_DIRECT | O_RDONLY);
10510 fprintf(stderr, "%s: cannot open '%s': %s.\n",
10511 progname, fname, strerror(errno));
10516 rc = llapi_lease_acquire(fd, LL_LEASE_RDLCK);
10518 fprintf(stderr, "%s: '%s' llapi_lease_acquire failed: %s.\n",
10519 progname, fname, strerror(errno));
10523 layout = llapi_layout_get_by_fd(fd, 0);
10524 if (layout == NULL) {
10525 fprintf(stderr, "%s: '%s' llapi_layout_get_by_fd failed: %s.\n",
10526 progname, fname, strerror(errno));
10528 llapi_lease_release(fd);
10532 rc = llapi_layout_flags_get(layout, &flr_state);
10534 fprintf(stderr, "%s: '%s' llapi_layout_flags_get failed: %s.\n",
10535 progname, fname, strerror(errno));
10540 flr_state &= LCM_FL_FLR_MASK;
10541 switch (flr_state) {
10544 fprintf(stderr, "%s: '%s' file state error: %s.\n",
10545 progname, fname, llapi_layout_flags_string(flr_state));
10551 /* find out mirror chunks to be verified */
10552 chunk_count = lfs_mirror_prepare_chunk(layout, chunks_array,
10553 ARRAY_SIZE(chunks_array));
10554 if (chunk_count < 0) {
10560 /* filter specified mirror ids */
10561 filter_mirror_id(chunks_array, chunk_count, mirror_ids, ids_nr);
10564 print_chunks(fname, chunks_array, chunk_count);
10566 for (idx = 0; idx < chunk_count; idx++) {
10567 if (chunks_array[idx].chunk.e_start >= stbuf.st_size) {
10570 "%s: '%s' chunk "DEXT" exceeds file size %#llx: skipped\n",
10572 PEXT(&chunks_array[idx].chunk),
10573 (unsigned long long)stbuf.st_size);
10577 if (chunks_array[idx].mirror_count == 0) {
10579 "%s: '%s' chunk "DEXT" is invalid in all of the mirrors: ",
10581 PEXT(&chunks_array[idx].chunk));
10583 fprintf(stderr, "skipped\n");
10587 fprintf(stderr, "failed\n");
10591 if (chunks_array[idx].mirror_count == 1) {
10594 "%s: '%s' chunk "DEXT" is only valid in mirror %u: skipped\n",
10596 PEXT(&chunks_array[idx].chunk),
10597 chunks_array[idx].mirror_id[0]);
10601 rc = llapi_lease_check(fd);
10602 if (rc != LL_LEASE_RDLCK) {
10603 fprintf(stderr, "%s: '%s' lost lease lock.\n",
10608 /* verify one chunk */
10609 rc1 = lfs_mirror_verify_chunk(fd, stbuf.st_size,
10610 &chunks_array[idx], verbose);
10624 llapi_layout_free(layout);
10625 llapi_lease_release(fd);
10633 * lfs_mirror_verify() - Parse and execute lfs mirror verify command.
10634 * @argc: The count of lfs mirror verify command line arguments.
10635 * @argv: Array of strings for lfs mirror verify command line arguments.
10637 * This function parses lfs mirror verify command and verifies the
10638 * specified mirrored file(s).
10640 * Return: 0 on success or a negative error code on failure.
10642 static inline int lfs_mirror_verify(int argc, char **argv)
10644 __u16 mirror_ids[LUSTRE_MIRROR_COUNT_MAX] = { 0 };
10650 char cmd[PATH_MAX];
10652 struct option long_opts[] = {
10653 { .val = 'o', .name = "only", .has_arg = required_argument },
10654 { .val = 'v', .name = "verbose", .has_arg = no_argument },
10655 { .name = NULL } };
10657 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10659 while ((c = getopt_long(argc, argv, "o:v", long_opts, NULL)) >= 0) {
10662 rc = parse_mirror_ids(mirror_ids,
10663 ARRAY_SIZE(mirror_ids),
10667 "%s: bad mirror ids '%s'.\n",
10674 "%s: at least 2 mirror ids needed with '--only' option.\n",
10684 fprintf(stderr, "%s: option '%s' unrecognized.\n",
10685 progname, argv[optind - 1]);
10691 if (argc == optind) {
10692 fprintf(stderr, "%s: no file name given.\n", progname);
10697 if (ids_nr > 0 && argc > optind + 1) {
10699 "%s: '--only' cannot be used upon multiple files.\n",
10707 rc = verify_mirror_ids(argv[optind], mirror_ids, ids_nr);
10713 for (; optind < argc; optind++) {
10714 rc1 = lfs_mirror_verify_file(argv[optind], mirror_ids, ids_nr,
10724 * lfs_mirror() - Parse and execute lfs mirror commands.
10725 * @argc: The count of lfs mirror command line arguments.
10726 * @argv: Array of strings for lfs mirror command line arguments.
10728 * This function parses lfs mirror commands and performs the
10729 * corresponding functions specified in mirror_cmdlist[].
10731 * Return: 0 on success or an error code on failure.
10733 static int lfs_mirror(int argc, char **argv)
10735 char cmd[PATH_MAX];
10738 setlinebuf(stdout);
10740 Parser_init("lfs-mirror > ", mirror_cmdlist);
10742 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
10744 program_invocation_short_name = cmd;
10746 rc = Parser_execarg(argc - 1, argv + 1, mirror_cmdlist);
10748 rc = Parser_commands();
10750 return rc < 0 ? -rc : rc;
10753 static void lustre_som_swab(struct lustre_som_attrs *attrs)
10755 #if __BYTE_ORDER == __BIG_ENDIAN
10756 __swab16s(&attrs->lsa_valid);
10757 __swab64s(&attrs->lsa_size);
10758 __swab64s(&attrs->lsa_blocks);
10762 enum lfs_som_type {
10763 LFS_SOM_SIZE = 0x1,
10764 LFS_SOM_BLOCKS = 0x2,
10765 LFS_SOM_FLAGS = 0x4,
10766 LFS_SOM_ATTR_ALL = LFS_SOM_SIZE | LFS_SOM_BLOCKS |
10770 static int lfs_getsom(int argc, char **argv)
10773 struct lustre_som_attrs *attrs;
10774 char buf[sizeof(*attrs) + 64];
10775 enum lfs_som_type type = LFS_SOM_ATTR_ALL;
10778 while ((c = getopt(argc, argv, "sbf")) != -1) {
10781 type = LFS_SOM_SIZE;
10784 type = LFS_SOM_BLOCKS;
10787 type = LFS_SOM_FLAGS;
10790 fprintf(stderr, "%s: invalid option '%c'\n",
10800 fprintf(stderr, "%s: %s\n",
10801 progname, argc == 0 ? "miss file target" :
10802 "input more than 2 files");
10807 attrs = (void *)buf;
10808 rc = lgetxattr(path, "trusted.som", attrs, sizeof(buf));
10811 fprintf(stderr, "%s failed to get som xattr: %s (%d)\n",
10812 argv[0], strerror(errno), errno);
10816 lustre_som_swab(attrs);
10819 case LFS_SOM_ATTR_ALL:
10820 printf("file: %s size: %llu blocks: %llu flags: %x\n",
10821 path, (unsigned long long)attrs->lsa_size,
10822 (unsigned long long)attrs->lsa_blocks,
10826 printf("%llu\n", (unsigned long long)attrs->lsa_size);
10828 case LFS_SOM_BLOCKS:
10829 printf("%llu\n", (unsigned long long)attrs->lsa_blocks);
10831 case LFS_SOM_FLAGS:
10832 printf("%x\n", attrs->lsa_valid);
10835 fprintf(stderr, "%s: unknown option\n", progname);
10843 * lfs_mirror_list_commands() - List lfs mirror commands.
10844 * @argc: The count of command line arguments.
10845 * @argv: Array of strings for command line arguments.
10847 * This function lists lfs mirror commands defined in mirror_cmdlist[].
10849 * Return: 0 on success.
10851 static int lfs_mirror_list_commands(int argc, char **argv)
10853 char buffer[81] = "";
10855 Parser_list_commands(mirror_cmdlist, buffer, sizeof(buffer),
10861 static int lfs_pcc_attach(int argc, char **argv)
10863 struct option long_opts[] = {
10864 { .val = 'i', .name = "id", .has_arg = required_argument },
10865 { .name = NULL } };
10868 __u32 archive_id = 0;
10871 char fullpath[PATH_MAX];
10872 enum lu_pcc_type type = LU_PCC_READWRITE;
10875 while ((c = getopt_long(argc, argv, "i:",
10876 long_opts, NULL)) != -1) {
10879 archive_id = strtoul(optarg, &end, 0);
10880 if (*end != '\0' || archive_id == 0) {
10881 fprintf(stderr, "error: %s: bad archive ID "
10882 "'%s'\n", argv[0], optarg);
10889 fprintf(stderr, "%s: option '%s' unrecognized\n",
10890 argv[0], argv[optind - 1]);
10895 if (archive_id == 0) {
10896 fprintf(stderr, "%s: must specify attach ID\n", argv[0]);
10900 if (argc <= optind) {
10901 fprintf(stderr, "%s: must specify one or more file names\n",
10906 while (optind < argc) {
10909 path = argv[optind++];
10910 if (realpath(path, fullpath) == NULL) {
10911 fprintf(stderr, "%s: could not find path '%s': %s\n",
10912 argv[0], path, strerror(errno));
10918 rc2 = llapi_pcc_attach(fullpath, archive_id, type);
10920 fprintf(stderr, "%s: cannot attach '%s' to PCC "
10921 "with archive ID '%u': %s\n", argv[0],
10922 path, archive_id, strerror(-rc2));
10930 static int lfs_pcc_attach_fid(int argc, char **argv)
10932 struct option long_opts[] = {
10933 { .val = 'i', .name = "id", .has_arg = required_argument },
10934 { .val = 'm', .name = "mnt", .has_arg = required_argument },
10935 { .name = NULL } };
10936 char short_opts[] = "i:m:";
10939 __u32 archive_id = 0;
10941 const char *mntpath = NULL;
10942 const char *fidstr;
10943 enum lu_pcc_type type = LU_PCC_READWRITE;
10946 while ((c = getopt_long(argc, argv, short_opts,
10947 long_opts, NULL)) != -1) {
10950 archive_id = strtoul(optarg, &end, 0);
10951 if (*end != '\0') {
10952 fprintf(stderr, "error: %s: bad archive ID "
10953 "'%s'\n", argv[0], optarg);
10963 fprintf(stderr, "%s: option '%s' unrecognized\n",
10964 argv[0], argv[optind - 1]);
10969 if (archive_id == 0) {
10970 fprintf(stderr, "%s: must specify an archive ID\n", argv[0]);
10974 if (mntpath == NULL) {
10975 fprintf(stderr, "%s: must specify Lustre mount point\n",
10980 if (argc <= optind) {
10981 fprintf(stderr, "%s: must specify one or more fids\n", argv[0]);
10985 while (optind < argc) {
10988 fidstr = argv[optind++];
10990 rc2 = llapi_pcc_attach_fid_str(mntpath, fidstr,
10993 fprintf(stderr, "%s: cannot attach '%s' on '%s' to PCC "
10994 "with archive ID '%u': %s\n", argv[0],
10995 fidstr, mntpath, archive_id, strerror(rc2));
10997 if (rc == 0 && rc2 < 0)
11003 static int lfs_pcc_detach(int argc, char **argv)
11005 struct option long_opts[] = {
11006 { .val = 'k', .name = "keep", .has_arg = no_argument },
11007 { .name = NULL } };
11008 char short_opts[] = "k";
11012 char fullpath[PATH_MAX];
11013 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11016 while ((c = getopt_long(argc, argv, short_opts,
11017 long_opts, NULL)) != -1) {
11020 detach_opt = PCC_DETACH_OPT_NONE;
11025 fprintf(stderr, "%s: option '%s' unrecognized\n",
11026 argv[0], argv[optind - 1]);
11031 while (optind < argc) {
11034 path = argv[optind++];
11035 if (realpath(path, fullpath) == NULL) {
11036 fprintf(stderr, "%s: could not find path '%s': %s\n",
11037 argv[0], path, strerror(errno));
11043 rc2 = llapi_pcc_detach_file(fullpath, detach_opt);
11046 fprintf(stderr, "%s: cannot detach '%s' from PCC: "
11047 "%s\n", argv[0], path, strerror(errno));
11055 static int lfs_pcc_detach_fid(int argc, char **argv)
11057 struct option long_opts[] = {
11058 { .val = 'k', .name = "keep", .has_arg = no_argument },
11059 { .name = NULL } };
11060 char short_opts[] = "k";
11064 const char *mntpath;
11065 __u32 detach_opt = PCC_DETACH_OPT_UNCACHE;
11068 while ((c = getopt_long(argc, argv, short_opts,
11069 long_opts, NULL)) != -1) {
11072 detach_opt = PCC_DETACH_OPT_NONE;
11077 fprintf(stderr, "%s: option '%s' unrecognized\n",
11078 argv[0], argv[optind - 1]);
11083 mntpath = argv[optind++];
11085 while (optind < argc) {
11088 fid = argv[optind++];
11090 rc2 = llapi_pcc_detach_fid_str(mntpath, fid, detach_opt);
11092 fprintf(stderr, "%s: cannot detach '%s' on '%s' "
11093 "from PCC: %s\n", argv[0], fid, mntpath,
11102 static int lfs_pcc_state(int argc, char **argv)
11106 char fullpath[PATH_MAX];
11107 struct lu_pcc_state state;
11112 fprintf(stderr, "%s: must specify one or more file names\n",
11117 while (optind < argc) {
11120 path = argv[optind++];
11121 if (realpath(path, fullpath) == NULL) {
11122 fprintf(stderr, "%s: could not find path '%s': %s\n",
11123 argv[0], path, strerror(errno));
11129 rc2 = llapi_pcc_state_get(fullpath, &state);
11133 fprintf(stderr, "%s: cannot get PCC state of '%s': "
11134 "%s\n", argv[0], path, strerror(-rc2));
11138 printf("file: %s", path);
11139 printf(", type: %s", pcc_type2string(state.pccs_type));
11140 if (state.pccs_type == LU_PCC_NONE &&
11141 state.pccs_open_count == 0) {
11146 printf(", PCC file: %s", state.pccs_path);
11147 printf(", user number: %u", state.pccs_open_count);
11148 printf(", flags: %x", state.pccs_flags);
11155 * lfs_pcc_list_commands() - List lfs pcc commands.
11156 * @argc: The count of command line arguments.
11157 * @argv: Array of strings for command line arguments.
11159 * This function lists lfs pcc commands defined in pcc_cmdlist[].
11161 * Return: 0 on success.
11163 static int lfs_pcc_list_commands(int argc, char **argv)
11165 char buffer[81] = "";
11167 Parser_list_commands(pcc_cmdlist, buffer, sizeof(buffer),
11174 * lfs_pcc() - Parse and execute lfs pcc commands.
11175 * @argc: The count of lfs pcc command line arguments.
11176 * @argv: Array of strings for lfs pcc command line arguments.
11178 * This function parses lfs pcc commands and performs the
11179 * corresponding functions specified in pcc_cmdlist[].
11181 * Return: 0 on success or an error code on failure.
11183 static int lfs_pcc(int argc, char **argv)
11185 char cmd[PATH_MAX];
11188 setlinebuf(stdout);
11190 Parser_init("lfs-pcc > ", pcc_cmdlist);
11192 snprintf(cmd, sizeof(cmd), "%s %s", progname, argv[0]);
11194 program_invocation_short_name = cmd;
11196 rc = Parser_execarg(argc - 1, argv + 1, pcc_cmdlist);
11198 rc = Parser_commands();
11200 return rc < 0 ? -rc : rc;
11203 static int lfs_list_commands(int argc, char **argv)
11205 char buffer[81] = ""; /* 80 printable chars + terminating NUL */
11207 Parser_list_commands(cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
11212 int main(int argc, char **argv)
11216 /* Ensure that liblustreapi constructor has run */
11217 if (!llapi_liblustreapi_initialized())
11218 fprintf(stderr, "liblustreapi was not properly initialized\n");
11220 setlinebuf(stdout);
11223 Parser_init("lfs > ", cmdlist);
11225 progname = program_invocation_short_name; /* Used in error messages */
11227 llapi_set_command_name(argv[1]);
11228 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
11229 llapi_clear_command_name();
11231 rc = Parser_commands();
11234 return rc < 0 ? -rc : rc;
11237 #ifdef _LUSTRE_IDL_H_
11238 /* Everything we need here should be included by lustreapi.h. */
11239 # error "lfs should not depend on lustre_idl.h"
11240 #endif /* _LUSTRE_IDL_H_ */